suppose that in a certain community, 40
" 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. BFW Publishers The Practice of Statistics for AP*, 5/e Quiz 7.1C AP Statistics Name: 1. 1. Why don't objects get brighter when I reflect their light back at them? On Fe. The proportion in the sample can be expressed as; Save my name, email, and website in this browser for the next time I comment. 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 . 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. Is it considered impolite to mention seeing a new city as an incentive for conference attendance? If . Alternative ways to code something like a table within a table? Math Index. 3) family has all 3 girls. /w~\]R:+.1^=)ZVKEU./tXK +"Y)ge'Gg*MZ7dWwBd7yU?[^{es^l9wz[[0DJYO\ImU8j-o. Solve Now! 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). a) from multinomial distribution: P (4 under 30, 2 between 30-50, 1 between 50-70 and 1 . To know more check the 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. Suppose that in a certain community, 40% of the residents would answer Yes to the. 1. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. one year ago, Posted You computed this probability correctly. 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. Emerald and diamond tennis bracelet 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 $\frac{1}{8}$. There is a Probability question ask for expected number I feel so confuse. 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". one month ago, Posted in what way? % AP Statistics. Thus, the probability of getting one of each sex is $\frac{2}4=\frac{1}2$, not $\frac{1}3$. How can I drop 15 V down to 3.7 V to drive a motor? This clue led Claire to believe that the suspect must be someone who traveled internationally, particularly to France. ? D) suppose that in a much larger community, 40% of the residents would also answer "yes" to the question. Learn more about Stack Overflow the company, and our products. 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. A municipal bond service has three rating categories (A, B, and C) and is issued by cities or by suburbs. We know $P(G)$, because we computed it above. Claire has a suspect in mind but must find proof before she can charge the suspect in the crimes. endobj <>/Font<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> Mark an implication as True if the truth of [statement 2] always follows whenever [statement 1] happens to be true. The problem statement is somewhat ambiguous. New Home Construction Electrical Schematic, What are possible reasons a sound may be continually clicking (low amplitude, no sudden changes in amplitude). Privacy Policy. Connect and share knowledge within a single location that is structured and easy to search. AP Statistics. 1 Question: 1. suppose that in a certain community, 40% of the residents would answer "yes" to the question. " can anyone help me out with where to get started on this problem? 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? 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. 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. b) Assuming the statistics above the a) are correct for this case. She had the owner list the stolen items so that if the thief tried to sell them nearby, police would be on the lookout. Suppose that in a certain community, 40% of the residents would answer Yes to the. 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. What screws can be used with Aluminum windows? We store cookies data for a seamless user experience. Your email address will not be published. Why does the second bowl of popcorn pop better in the microwave? How can I make the following table quickly? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. The conditional probability that a randomly selected family owns a dog, given that it doesn't own a cat, is approximately 27.8%. do you know the names of at least five other people who live on your block?" Q: A population of women has 40% with dark eyes. Math Problem #1 Jointly Distributed Random Variables: Probability of having 1 boy, 2 girls. 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. My attempt We are going to select 100 households from your co . a) Suppose that in a certain community, heart attacks are quite rare, occurring with only 10% probability. endobj It can mean either that all people who have Periodontal Disease will have a heart attack or that statistics presented above a) is incorrect. that all are girls given that there is atleast one girl named Lila. The truck is expected to have a salvage value of $3,000 at the end of its, In what type of business organization is each owner personally liable for all business debts, even if the debts were created by other, Grape Vineyards LLC, the members of which include Howie and Ilya, can hold title to property because as a limited liability company the firm, Cost ConceptOn February 3, Clairemont Repair Service extended an offer of $360,000 for land that had been priced for sale at $400,000. Gift Certificates to Your Loved One, Community if you took a sample of 100 individuals from this much larger community, would the sampling distribution of the statistic be different? <> 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. Mathematics Stack Exchange is a question and answer site for people studying math at any level and professionals in related fields. more pieces of evidence (facts, statistics, examples, real-life experiences) that support the direct answers to the assignment question. 4 days ago. Save my name, email, and website in this browser for the next time I comment. Since the EMS system is bus, s each statement true or false? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. 2 Name: 1. b) normal distribution with parameter p and standard error=sqrt(pq/n) Math Solutions. Suppose that 15 % of the families in a certain community have no children, 20 % By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. 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". Were the solution steps not detailed enough? Either we want to find (i) the (conditional) probability distribution of the family size, given that there are at least $2$ girls, or (ii) the (conditional) probability distribution of the family size, given that there are exactly $2$ girls. Get it solved from our top experts within 48hrs! An implication is False if there is an instance in which [statement 2] is false but [statement 1] is true. A. Do my homework for me. College Math. = 0.0875. yesterday. Required fields are marked *. gating a series of jewelry thefts all over New York City. Suppose that in a certain community, 40% of the. In what context did Garak (ST:DS9) speak of a lie between two truths? Suppose that you live in a community that has 125,000 households. Name: 1. |By using our site, you agree to our, Free Mechanical Engineering Homework Help, Checkout if you took a sample of 100 individuals from this muchlarger community, would the sampling distribution of the statistic be different? Learn vocabulary, terms, and more with flashcards, games, and other study tools. Suppose that 15 % of the families in a certain community have no children, 20 % have one, 35 % have two and 30 % have three. a. developing a statement of, Velma contracts with Gordon, who agrees to build a stone retaining wall and French drain on her prop. That is not what you are being asked to find, though it is a very useful part of the process. 12/17/14. And we know $P(S_2)$, we were told what it is in the statement of the problem. 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 $7/19$: $\Bbb P(B+G=2\mid G\ge 2)=7/19$. 1. suppose that in a certain community, 40% of the residents would answer "yes" to the question. Solution : Given that , p = 0.33 1 - p = 1 - 0.33 = 0.67 n = 13 Using binomial probabilit . Answer: a) parameter= p , p =0.40 The dividends are expected to. We know $P(G|S_2)$, it is $(1/2)^2$. Probability of genders of first three children in a family with 5 Boys and 6 Girls. James was able to forward their police reports, including this list of the value of items stolen. As the suspect was filmed loading the jewelry into a black duffel bag, Claire caught a glimpse of a label. If a sample of 20 women are selected from this. Your comments have been successfully added. Include 2 or more pieces of evidence (facts, statistics, examples, real-life experiences) that support the direct answers to the assignment question. E) if you took a sample of 50 individuals instead of 100 from the original community, would the sampling distribution of the statistic change? 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. A: Given, 54% of the people own dog.That is. Bad gums may be evidence of a bad heart. We want $P(S_2|G)$. 12/17/14. If you pick two people at random, what is the probability that. 12/17/14. If 40% of the people in a community will have a heart attack. Math Assignments. All Rights Reserved. Lets catch up with our law enforcement officer Detective Claire, who is investi The best answers are voted up and rise to the top, Not the answer you're looking for? Expert Answer. %PDF-1.5 Suppose that in a certain community, 40% of the residents would answer Yes to the. Name: 1. Spellcaster Dragons Casting with legendary actions? The last heist did uncover one valuable clue though. Conditional Probability: Birth rank of children in randomly chosen families. Suppose that in a certain community, 40% of the. Among these households, 50,000 have traditional landline telephones while the remaining 75,000 only use cellular and / or VOIP telephones. Quiz 7.1C. Get it solved from our top experts within 48hrs! one year ago, Posted Mother of pearl necklace (Rate this solution on a scale of 1-5 below). The proportion in the sample can be expressed as; Your email address will not be published. Is there a way to use any communication without a CPU. $69,000 Only 29% of healthy people have this disease. Its correct as far as it goes, but its incomplete. We store cookies data for a seamless user experience. of girls and Y be the number of boys in that family. 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 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'. Mathematics Stack Exchange is a question and answer site for people studying math at any level and professionals in related fields. Given that there are at least $2$ girls, the family size is either $2$ or $3$. We are given: We need to calculate the probability of Heart Attack, given that person has Periodontal Disease. Over the following year, there were six more heists throughout the city, with total goods stolen valued at $3.75 million. To solve the problem under the assumption (ii), the procedure is almost the same, but the probabilities are different. If someone explains the correct way, I will be tanks. TABLE 1 Stolen Item List Two children -- probability one is a boy given the other is a boy: conflicting answers, Average proportion of boys out of the whole population, doubt about probability solution with $2$ girls and $2$ boys selection. The best answers are voted up and rise to the top, Not the answer you're looking for? All rights reserved. $25,850 Each time, the thief left no fingerprints and always wore a mask to hide their identity. They also wore a black balaclava to cover their face, so Claire had almost no data about the thiefs appearance to work with. Suppose further, that in each family Submit your documents and get free Plagiarism report, Your solution is just a click away! in what way? Suppose that in a certain community, 40% of the. Our experts will gladly share their knowledge and help you with programming projects.