Brainliest please answer ANY ANSWERS WITH NO ANSWER WILL BE REPORTED one year ago, Posted Its $$\frac{8.75}{23.75}=\frac7{19}\;,$$ so the conditional probability that a randomly chosen family has exactly two children given that it has at least two girls is $7/19$: $\Bbb P(B+G=2\mid G\ge 2)=7/19$. Suppose that 15 percent of the families in a certain community have no children, 20 percent have 1, 35 percent have 2, and 30 percent have 3 children; suppose further that each child is equally likely (and independently) to be a boy or a girl. She had the owner list the stolen items so that if the thief tried to sell them nearby, police would be on the lookout. Only 30% of healthy people have this disease. To know more check the Is there a free software for modeling and graphical visualization crystals with defects? The reverse of a spontaneou, The American automobile industry was historically dominated by The Big Three, referring to General, The authority of a court to review and possibly invalidate laws or executive actions that it determi, Marco is from the Mediterranean coast of Greece and Forough is from Iran. Only 29% of healthy people have this disease. Decide mathematic tasks. "P(H|D) = \\frac{P(H)*P(D|H)}{P(D)} = \\frac{0.1*0.85}{0.29} \\approx 0.293", With a population of 15 and a sample size of 3, what is the total number of samples that are possibl, . P{B = 0, G = 2} = P{2 girl and a total of 2 children} Quiz 7.1C. Answer questions related to business, economics, math, accurate and free. Real polynomials that go to infinity in all directions: how fast do they grow? Given that there are at least $2$ girls, the family size is either $2$ or $3$. Start studying Test 7C AP Statistics. So the chance of exactly 2 girls is: $\frac{3}{8}$, Now find the probability for having exactly 3 girls that's easy, there's only one way, you just have all 3 girls, probability is just $\frac{1}{8}$. If 40% of the people in a community will have a heart attack. I can help you determine the answer to math problems. Do my homework for me. 4 0 obj Researchers have discovered that 85% of people who have suffered a heart attack had periodontal disease, an inflammation of the gums. 2007-2023 Learnify Technologies Private Limited. Quiz 7.2 a ap statistics answer key Key - Just Practice! Mark an implication as True if the truth of [statement 2] always follows whenever [statement 1] happens to be true. Here is the list of stolen items the owner made, along with the value of items stolen: Trying to determine if there is a calculation for AC in DND5E that incorporates different material items worn at the same time. For a better experience, please enable JavaScript in your browser before proceeding. D) suppose that in a much larger community, 40% of the residents would also answer "yes" to the question. However, they need to be checked by the moderator before being published. Alternative ways to code something like a table within a table? can anyone help me out with where to get started on this problem? Get plagiarism-free solution within 48 hours. 2) What would be an example of a company that you believe has POOR business ethics? Does the question reference wrong data/reportor numbers? They also wore a black balaclava to cover their face, so Claire had almost no data about the thiefs appearance to work with. If someone has periodontal disease, what is the probability that he or she will have a heart attack? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. All rights reserved. Quiz 7.1C. Dystopian Science Fiction story about virtual reality (called being hooked-up) from the 1960's-70's, Trying to determine if there is a calculation for AC in DND5E that incorporates different material items worn at the same time, What to do during Summer? e power - theta .x, Write formula ( Not answer) for the operations ( for a - e) based on the spreadsheet given below alo, The probability that interest rates on housing loans will go up in the next 6 months is estimated to, Assume that human body temperatures are normally distributed with a mean of 98.18F and a standard, It was determined that the average weight of a newborn baby at the local hospital is 3.6 kg with a s. 1. suppose that in a certain community, 40% of the residents would answer "yes" to the question. " You are using an out of date browser. And we know $P(S_2)$, we were told what it is in the statement of the problem. Quiz 7.1C. 1. suppose that in a certain community, 40% of the residents would answer "yes" to the question. P{B = 0, G = 1} = P{1 girl and a total of 1 child}, I belive, I understand this because the possibles outcomes are (0,1)(1,0) only 1 of 2 =1/2. Why do you believe that the company has poor ethics? And how to capitalize on that? Bad gums may be evidence of a bad heart. Were the solution steps not detailed enough? Learn vocabulary, terms, and more with flashcards, games, and other study tools. It can mean either that all people who have Periodontal Disease will have a heart attack or that statistics presented above a) is incorrect. 7) Suppose that in a certain community, 40% of the residents would answer "Yes" to the question, "Do you know the names of at least five other people who live on your block?" Suppose you plan to take a random sample of 100 people from this community and calculate the proportion of people in your sample whose response to this question is . Save my name, email, and website in this browser for the next time I comment. What youre to find is probability mass function of the family size given that the family has two girls. The probability that a randomly selected family owns a cat is 28%. Now we are essentially finished. a. capitalize on the pioneers weakne, On October 1, 2019, Illini Company purchased a truck for $42,000. Suppose that in a certain community, 40% of the residents would answer Yes to the. Improving the copy in the close modal and post notices - 2023 edition, New blog post from our CEO Prashanth: Community is the future of AI. one month ago, Posted Suppose that in a certain community, 40% of the. That is not what you are being asked to find, though it is a very useful part of the process. The outcomes with two children are actually BB, BG, GB, and GG, where G stands for a girl, B for a boy, the first symbol gives the sex of the first child, and the second symbol gives the sex of the second child. Get it Now. Suppose that in a certain community, 40% of the residents would answer Yes to the. 7.1 statistics quiz Key - Just Practice! 1. The first one is pretty simple. more pieces of evidence (facts, statistics, examples, real-life experiences) that support the direct answers to the assignment question. xZmo6n_HN}HrH~hyWuV[3RV{-!9y8pW~xe\_ ?"Lk&dqz}K}-c4NsD80)7SWZUu}ojxMOOaB*,3CU~\1W:+HFZxx,JLeY]A=hD{e4WjY^nKD/\-UbhU--\,j|~ua (Rate this solution on a scale of 1-5 below). 5 months ago, Posted Math Problem #1 For example, the probability that a family has exactly $2$ girls is $(0.35)(1/2)^2+(0.30)(3/8)$. . in what way?E) if you took a sample of 50 individuals instead of 100 from the original community, would the sampling distribution of the statistic change? Claire has a suspect in mind but must find proof before she can charge the suspect in the crimes. Learn more about Stack Overflow the company, and our products. endobj A. Name: 1. PLEASE WALK ME THROUGH THIS: The bus to the exposition averaged 18 miles to a gallon of gas. Since the EMS system is bus, s each statement true or false? If the es, In many cases, pioneers lose their market lead and initial market share to imitators who:______. Only 30% of healthy people have this disease. in what way? <>>> 4 days ago. Th, At the county fair, Chris throws a 0.12kg baseball at a 2.4kg wooden milk bottle, hoping to knock it, An oil company is interested in estimating the true proportion of female truck drivers based in five, When writing a formal business report, you should begin by __________. Now you flip 3 times but only need to "win" twice-this is a binomial experiment. Gift Certificates to Your Loved One, Community stream Withdrawing a paper after acceptance modulo revisions? " do you know the names of at least five other people who live onyour block?" suppose you plan to take a random sample of 100 people from this community. a. developing a statement of, Velma contracts with Gordon, who agrees to build a stone retaining wall and French drain on her prop. do you know the names of at least five other people who live on your block?" . ", "answerCount": 1, "upvoteCount": 0, "dateCreated": "1/16/2023 12:18:42 PM", "datePublished": "1/16/2023 12:18:42 PM", "suggestedAnswer": [ { "@type": "Answer", "text": "Answer: The proportion of people in your sample whose response is yes=40 people Explanation: Step 1: Determine the statistical proportion that will say yes Proportion=40%=40/100=0.4 Step 2: Determine the proportion in the sample that will say yes The proportion in the sample can be expressed as; P=SZ where; P=proportion in the sample S=statistical proportion Z=sample size In our case; P=unknown to be determined S=40%=40/100=0.4 Z=100 replacing; Proportion in the sample=0.4100=40 The proportion of people in your sample whose response is yes=40 people", "upvoteCount": 0, "dateCreated": "1/16/2023 12:20:31 PM", "url": "https://business-question.com/suppose-that-in-a-certain-community-40-of-the-residents-would-answer-yes-to-the-question-do-you-14298927-21/#comment-186383", "author": { "@type": "Person", "url" : "https://business-question.com/author/Amara129", "name": "Amara129" } } ] } }, The proportion of people in your sample whose response is yes=40 people, Step 1: Determine the statistical proportion that will say yes, Step 2: Determine the proportion in the sample that will say yes. |By using our site, you agree to our, Free Mechanical Engineering Homework Help, Checkout How far, The Progressive Era included_____ involving equality, suffrage, improvement in the general welfare o, The American Expeditionary Force contribution to World War I a. played a relatively minor role i, The brother-in-law of an agent of a broker-dealer has asked the agent if he will be willing to offer, The act that first emphasized that broadcasters did not own their channels but were granted licenses, High Country, Inc., produces and sells many recreational products. Why do you believe that the company has excellent business ethics Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. endobj The second part of the sum is because if the family has $3$ children, the probability that girls will outnumber boys is, by symmetry, equal to $1/2$. To know more check the There are three certainties in this world: Death, Taxes and Homework Assignments. AP Statistics. Our experts will gladly share their knowledge and help you with programming projects. Lets work along with Claire to gather and assess data (or clues) about the crimes and see if they connect with her suspect. Emerald and diamond tennis bracelet The proportion in the sample can be expressed as; Save my name, email, and website in this browser for the next time I comment. 1. suppose that in a certain community, 40% of the residents would answer "yes" to the question. " Suppose further, that in each family each child independently is equally likely to be a boy or a girl. TABLE 1 Stolen Item List . Researchers discovered that 81% of people who have suffered a heart attack has periodontal disease, an inflammation of the gums. each child independently is equally likely to be a boy or a girl. Connect and share knowledge within a single location that is structured and easy to search. What is the probability that both children are boys if at least one is a boy born on a Tuesday? AP Statistics. Quiz 7.1C. Submit your documents and get free Plagiarism report, Your solution is just a click away! Key - Just Practice! Be sure that math assignments completed by our experts will be error-free and done according to your instructions specified in the submitted order form. Name: 1. Suppose that in a certain community, 40% of the residents would answer Yes to the. Researchers discovered that 78% of people who have suffered a heart attack had periodontal disease, an inflammation of the gums. We know $P(G|S_2)$, it is $(1/2)^2$. Get it Now. Answer: a) parameter= p , p =0.40 AP Statistics. { "@context": "https://schema.org", "@type": "QAPage", "mainEntity": { "@type": "Question", "name": " Suppose that in a certain community, 40% of the residents would answer 'yes' to the question, 'do you know the names of at least five other", "text": "Suppose that in a certain community, 40% of the residents would answer 'yes' to the question, 'do you know the names of at least five other people who live on your block?' One plus one is two. Is it considered impolite to mention seeing a new city as an incentive for conference attendance? Suppose further, that in each family 12/17/14. The best answers are voted up and rise to the top, Not the answer you're looking for? rev2023.4.17.43393. 1. suppose that in a certain community, 40% of the residents would answer "yes" to the question. a) what are the parameter and the statistic in this situation? AP Statistics. Answer: a) parameter= p , p =0.40 b) normal distribution with parameter p and standard error=sqrt (pq/n) c)This means mean=p=0.40, for biased estimator mean not =p=0.40. Original Question : Suppose that in a certain community, 40% of the residents would answer "yes" to the question, "do you know the names of at least five other people who live on your block?" suppose you plan to take a random sample of 100 people from this community and calculate the proportion of people in your sample whose response to this question is "yes". 12/17/14. Mathematics Stack Exchange is a question and answer site for people studying math at any level and professionals in related fields. 5-carat diamond necklace The conditional probability that a randomly selected family owns a dog, given that it doesn't own a cat, is approximately 27.8%. /w~\]R:+.1^=)ZVKEU./tXK +"Y)ge'Gg*MZ7dWwBd7yU?[^{es^l9wz[[0DJYO\ImU8j-o. You can specify conditions of storing and accessing cookies in your browser. You calculated that $8.75$% of all the families have exactly two girls and no boys. Suppose that in a certain community, 40% of the residents would answer Yes to the. = 0.35(0.50)^2 As part of her investigation, Claire will need to interview a variety of experts, including some from the Government and Public Administration and the Human Services career clusters. So now use the percent of families with exactly 3 children to find this portion of the probability: Hence, add the two probabilities here is it in full detail, $$\begin{eqnarray}\mathbb{P}(\text{contains 2 girls}) &=& \mathbb{P}(\text{2 children}) \times \mathbb{P}(\text{2 girls, 2 children}) + \\ &\phantom{+=}& \mathbb{P}(\text{3 children}) \times \mathbb{P}(\text{2 or 3 girls, 3 children}) \end{eqnarray}$$, $\frac{1}{4} 35\% + 30\% \times \left(\frac{3}{8} +\frac{ 1}{8}\right)$. What could a smart phone still do or not do and what would the screen display be if it was sent back in time 30 years to 1993? do you know the names of at least five other people who live on your block?" What an odd presumption. AP Statistics (b)Does the . Math Solutions. Only 29% of healthy people have this disease. 1) All those cancer patients will be delighted to know they are "healthy", just because they don't have either periodonal disease or bad gums. 5 months ago, Posted The distribution of actual weights of 8-ounce chocolate bars produced by a certain machine is Normal with mean 8.1 ounces and standard deviation 0.1 ounces. In what context did Garak (ST:DS9) speak of a lie between two truths? Let $G$ be the event "there are at least $2$ girls" and let $S_2$ be the event "the family size is $2$." A: Given, 54% of the people own dog.That is. Why hasn't the Attorney General investigated Justice Thomas? College Math. 12/17/14. This site is protected by reCAPTCHA and the Google, Suppose that in a certain community, 40% of the residents would answer "yes" to the question, "do yo, The Nearside Co. just paid a dividend of $1.20 per share on its stock. = P{2 children}P{2 girls|2 children} All spontaneous reactions occur quickly. Write your answer as a decimal (not as a percentage). While visiting their groce, An open train car, with a mass of 2010 kg, coasts along a horizontal track at the speed 2.53 m/s. We want to find the conditional probability that the family size is $2$. I can't see this, because my tought is Total outcomes in 2 children (1,1)(2,0) and (0,2) therefor 1/3 of the 0.35 probability. Question: 1. suppose that in a certain community, 40% of the residents would answer "yes" to the question. " By a formula that may be familiar, we have We are given: We need to calculate the probability of Heart Attack, given that person has Periodontal Disease. 1. Your physics assignments can be a real challenge, and the due date can be really close feel free to use our assistance and get the desired result. Quiz 7.1C. What fraction of the families with at least two girls is this? Include 2 or 1. In other words, you want to calculate $$\Bbb P(B+G=x\mid G\ge 2)$$ for the various possible values of $x$. As the suspect was filmed loading the jewelry into a black duffel bag, Claire caught a glimpse of a label. Suppose that in a certain community, 40% of the residents would answer "yes" to the question, "do you know the names of at least five other people who live on your block?" 12/17/14. a. Edit, TutorTeddy.com & Boston Predictive Analytics, [ Email your Statistics or Math problems to help@teddycan.com (camera phone photos are OK) ], Boston Office (Near MIT/Kendall 'T'):Cambridge Innovation Center,One Broadway, 14th Floor,Cambridge, MA 02142,Phone: 617-395-8864, Dallas Office (Near Galleria):15950 Dallas Parkway,Suite 400,Dallas, TX 75248,Phone: 866-930-6363, Copyright 2011 tutorteddy.com. Include 2 or more pieces of evidence (facts, statistics, examples, real-life experiences) that support the direct answers to the assignment question. Suppose that you live in a community that has 125,000 households. Name: 1. Instant answers; Get Homework; Solving word questions; Solve Now! Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. suppose you plan to take a random sample of 100 people from this community and calculate the proportion of people in your sample whose response to this question is 'yes'. All Rights Reserved. %PDF-1.5 Quiz 7.2 a ap statistics answer key Key - Just Practice! c)This means mean=p=0.40, for biased estimator mean not =p=0.40. Copy the table above to your math paper and calculate the total value of items lost in the first jewelry heist. $69,000 What are possible reasons a sound may be continually clicking (low amplitude, no sudden changes in amplitude). All rights reserved. The dividends are expected to. Given that you are going to "select" exactly two children, find the probability that they are BOTH girls (it's a coin flip, so p = 50% = 0.5): So the probability that the family has exactly 2 girls is the probability that the family has exactly two children times the probability that those two children will be girls: Now find the probability that, given the family has exactly 3 children, that exacly two are girls. b) Assuming the statistics above the a) are correct for this case. It may not display this or other websites correctly. 2007-2023 Learnify Technologies Private Limited. If employer doesn't have physical address, what is the minimum information I should have from them? From here you should be able to finish it, I think. 1. a) We will assume that the statistics above part a) apply to this community. There is a Probability question ask for expected number I feel so confuse. a) Suppose that in a certain community, heart attacks are quite rare, occurring with only 10% probability. Learn more about our help with Assignments: Thank you! 1. Then let us denote H - heart attack, D - periodontal disease. Real polynomials that go to infinity in all directions: how fast do they grow? We calculate the probabilities for (i). Unfortunately, the smart thief wore gloves, so no fingerprints were recovered from the scene. Mother of pearl necklace Jointly Distributed Random Variables: Probability of having 1 boy, 2 girls. do you know the names of at least five other people who live onyour block?" If a sample of 20 women are selected from this. What is the total annual dividend received from owning 100 shares of stock A, if Company A issues a $0.15 quarterly dividend to its shareholders? Suppose that in a certain community heart attacks are quite rare, occurring with only 11% probability. If there is an n \times n nn matrix D such AD = I, then DA = I. b. I know that something is wrong in my thought but I can't see it. Understanding how to obtain this table, for the joint probability. B. Math Assignments. Each time, the thief left no fingerprints and always wore a mask to hide their identity. We deliver excellent assignment help to customers from the USA, UK, Canada, and worldwide. New Home Construction Electrical Schematic, What are possible reasons a sound may be continually clicking (low amplitude, no sudden changes in amplitude). 12/17/14. We know $P(G)$, because we computed it above. Claire was first assigned to this case after an upscale jeweler opened his shop one morning to find several display cases empty. suppose you plan to take a random sample of 100 people from this community and calculate the proportion of people in your sample whose response to this question is "yes". Suppose that 60% of all the issued bonds were A rated, and 10% of all the issued bonds were rated C. Of the municipal bonds rated A, 50% were issued ; Suppose that you live in a community that has 125,000 households. The best answers are voted up and rise to the top, Not the answer you're looking for? Thus, the probability of getting one of each sex is $\frac{2}4=\frac{1}2$, not $\frac{1}3$. Now, add these up, $\frac{3}{8} + \frac{1}{8} = \frac{4}{8} = \frac{1}{2}$. Solve Now. 1. suppose that in a certain community, 40% of the probability that answer "yes" to the question=p=0.4 a) parameter is p static is Posted 4 To solve the problem under the assumption (ii), the procedure is almost the same, but the probabilities are different. Get it solved from our top experts within 48hrs! ? My attempt Suppose that in a certain community heart attacks are quite rare, occurring with only 15% probability. = 0.0875. It only takes a minute to sign up. If you're struggling with a math problem, try breaking it down into smaller pieces and solving each part separately. How to determine chain length on a Brompton? Suppose in a certain (large) community, 40% of the population is under 30 years of age, 30% of the population is between 30 and 50 years of age, 20% of the population is between 50 and 70 years of age, and 10%. 1) Suppose that in a certain community, 40% of the residents would answer "Yes" to the question, "Do you know the names of at least five other people who live on your block?" Suppose you plan to take a random sample of 100 people from this community and calculate the proportion of people in your sample How can I drop 15 V down to 3.7 V to drive a motor? Is a copyright claim diminished by an owner's refusal to publish? one year ago, Posted Improving the copy in the close modal and post notices - 2023 edition, New blog post from our CEO Prashanth: Community is the future of AI, Jointly Distributed Random Variables: Probability of having 1 boy, 2 girls. How can I make the following table quickly? b)what does the sampling distribution of the statistic describe? @Daniela: Its part of the result. You must log in or register to reply here. Math Index. Your email address will not be published. Were the solution steps not detailed enough? (Tenured faculty). Nov 18 2022 08:12 AM 1 Approved Answer Using the law of conditional probability: "P(H|D)*P(D)=P(H)*P(D|H)," P(H|D) is what we need to find. If a family is chosen at random from this community, then B, the number of boys, and G, the number of girls, determine the conditional probability mass function of the size of a randomly chosen family containing 2 girls. If someone explains the correct way, I will be tanks. Lets catch up with our law enforcement officer Detective Claire, who is investi The proportion of people in your sample whose response is yes=40 people, Step 1: Determine the statistical proportion that will say yes, Step 2: Determine the proportion in the sample that will say yes. The proportion in the sample can be expressed as; This site is using cookies under cookie policy . Edit suppose you plan to take a random sample of 100 people from this community and calculate the proportion of people in your sa (Hide this section if you want to rate later). of girls and Y be the number of boys in that family. Suppose that 15 percent of the families in a certain community have no children, 20 percent have 1, 35 percent have 2, and 30 percent have 3 children; suppose further that each child is equally likely (and independently) to be a boy or a girl. Solve Now. a) from multinomial distribution: P (4 under 30, 2 between 30-50, 1 between 50-70 and 1 . . The phrase "containing $2$ girls" can be interpreted either way, with some tilting towards (i) as the more likely. Explanation: Step 1: Determine the statistical proportion that will say yes Proportion=40%=40/100=0.4 Step 2: Determine the proportion in the sample that will say yes The proportion in the sample can be expressed as; P=SZ where; P=proportion in the sample S=statistical proportion Z=sample size In our case; P=unknown to be determined Explain math questions. $32,995 b) If 40% of the people in a community will have a heart attack, what is the probability that a person with periodontal disease in this community will have a heart attack? It only takes a minute to sign up. Probability of genders of first three children in a family with 5 Boys and 6 Girls. <>/Font<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> Chances of at least one boy and girl? We store cookies data for a seamless user experience. James was able to forward their police reports, including this list of the value of items stolen. We are given the following: "P(D) = 0.29, P(D|H)=0.85, P(H)=0.4" and we basically need to calculate the same probability as in a) but with different given values: "P(H|D) = \\frac{P(H)*P(D|H)}{P(D)}=\\frac{0.4*0.85}{0.29}=1.17". Get it solved from our top experts within 48hrs! Suppose that in a certain community, 40% of the residents would answer yes to the question, do you know the names of at least five other people who live on your block? suppose you plan to take a random sample of 100 people from this community and calculate the proportion of people in your sample whose response to this question is yes. Name: 1. Q: A population of women has 40% with dark eyes. This clue led Claire to believe that the suspect must be someone who traveled internationally, particularly to France. Family with three children. Question: Suppose that 45% of all adults in a certain community are obese and that 40% suffer from diabetes. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Spellcaster Dragons Casting with legendary actions? endobj This above question anwer was attached below Posted Conditional Probability: Birth rank of children in randomly chosen families. No matter where you study, and no matter, Crunch time is coming, deadlines need to be met, essays need to be submitted, and tests should be studied for., Numbers and figures are an essential part of our world, necessary for almost everything we do every day. Solve Now! Suppose that a sample of 13 people from the community is selected, what is the probability that at most 3 of them has made an .
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