e) yes, standard error will be large. a) We will assume that the statistics above part a) apply to this community. 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. The first one is pretty simple. Keep up with the worlds newest programming trends. 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". To know more check the Submit your documents and get free Plagiarism report, Your solution is just a click away! B. We are given: We need to calculate the probability of Heart Attack, given that person has Periodontal Disease. 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, $$\begin{eqnarray}\mathbb{P}(\text{contains 2 girls}) &=& \mathbb{P}(\text{2 children}) \times \mathbb{P}(\text{2 girls, 2 children}) + \\ &\phantom{+=}& \mathbb{P}(\text{3 children}) \times \mathbb{P}(\text{2 or 3 girls, 3 children}) \end{eqnarray}$$, $\frac{1}{4} 35\% + 30\% \times \left(\frac{3}{8} +\frac{ 1}{8}\right)$. Question: 1. suppose that in a certain community, 40% of the residents would answer "yes" to the question. " To solve the problem under the assumption (ii), the procedure is almost the same, but the probabilities are different. Lets catch up with our law enforcement officer Detective Claire, who is investi a. capitalize on the pioneers weakne, On October 1, 2019, Illini Company purchased a truck for $42,000. Expert Answer. The proportion in the sample can be expressed as; Save my name, email, and website in this browser for the next time I comment. <>/Font<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> Only 29% of healthy people have this disease. Suppose that in a certain community heart attacks are quite rare, occurring with only 11% probability. Quiz 7.2 a ap statistics answer key Key - Just Practice! 3 0 obj Youve shown that $23.75$% of the families have at least two girls, but that doesnt answer the question. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. The company has just opened a new, Dispatch has sent you to the scene of a fight at a local sporting event. How can I test if a new package version will pass the metadata verification step without triggering a new package version? This is very easy and obvious for $x=0$ and $x=1$, so Ill skip to $x=2$. Suppose that in a certain community, 40% of the residents would answer Yes to the. 1. suppose that in a certain community, 40% of the residents would answer "yes" to the question. Solve Now. = 0.35(0.50)^2 College Math. Mother of pearl necklace We want $P(S_2|G)$. 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. 1 0 obj P{B = 0, G = 2} = P{2 girl and a total of 2 children} endobj What sort of contractor retrofits kitchen exhaust ducts in the US? Suppose that in a certain community, 40% of the residents would answer Yes to the. $32,995 Edit Spellcaster Dragons Casting with legendary actions? Suppose that 15 % of the families in a certain community have no children, 20 % have one, 35 % have two and 30 % have three. Solve Now. They also wore a black balaclava to cover their face, so Claire had almost no data about the thiefs appearance to work with. b) Assuming the statistics above the a) are correct for this case. Your email address will not be published. Is a copyright claim diminished by an owner's refusal to publish? 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? $$P(S_2|G)P(G)=P(S_2\cap G)=P(G|S_2)P(S_2).$$ c)This means mean=p=0.40, for biased estimator mean not =p=0.40. yesterday. 12/17/14. 1. 12/17/14. 2 years ago, Posted 7.1 statistics quiz Key - Just Practice! To subscribe to this RSS feed, copy and paste this URL into your RSS reader. 1. suppose that in a certain community, 40% of the residents would answer "yes" to the question. " 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. PLEASE WALK ME THROUGH THIS: The bus to the exposition averaged 18 miles to a gallon of gas. can anyone help me out with where to get started on this problem? James was able to forward their police reports, including this list of the value of items stolen. Submit your documents and get free Plagiarism report, Your solution is just a click away! 5 Suppose that in a certain community, 40% of the residents would answer Yes to the. We know $P(G|S_2)$, it is $(1/2)^2$. Understanding how to obtain this table, for the joint probability. Were the solution steps not detailed enough? 5 months ago, Posted How can I detect when a signal becomes noisy? Suppose that in a certain community, 40% of the residents would answer Yes to the. All rights reserved. Why does the second bowl of popcorn pop better in the microwave? Why do you believe that the company has poor ethics? It can mean either that all people who have Periodontal Disease will have a heart attack or that statistics presented above a) is incorrect. In a certain community, 40% of the households subscribe to a local newspaper, 30% . for any assignment or question with DETAILED EXPLANATIONS! An implication is False if there is an instance in which [statement 2] is false but [statement 1] is true. And how to capitalize on that? 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. (Hide this section if you want to rate later). Thus, the probability of getting one of each sex is $\frac{2}4=\frac{1}2$, not $\frac{1}3$. Mathematics Stack Exchange is a question and answer site for people studying math at any level and professionals in related fields. Math Solutions, Give one month ago, Posted gating a series of jewelry thefts all over New York City. (Rate this solution on a scale of 1-5 below). Explain math questions. 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 $7/19$: $\Bbb P(B+G=2\mid G\ge 2)=7/19$. that all are girls given that there is atleast one girl named Lila. Solve mathematic questions; Top Specialists; Decide math problem . Learn more about Stack Overflow the company, and our products. Is there a way to use any communication without a CPU. Finding valid license for project utilizing AGPL 3.0 libraries, Use Raster Layer as a Mask over a polygon in QGIS. In what context did Garak (ST:DS9) speak of a lie between two truths? <> If 40% of the people in a community will have a heart attack. <>>> Quiz 7.1 a ap statistics answer key. The conditional probability that a randomly selected family owns a dog, given that it doesn't own a cat, is approximately 27.8%. = P{2 children}P{2 girls|2 children} Its correct as far as it goes, but its incomplete. Why do you believe that the company has excellent business ethics Explanation: The first question can be answered straight from the given information. To know more check the There are exactly three ways this can happen: 1) family has exactly 2 girls Emerald and diamond tennis bracelet 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 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: Given, 54% of the people own dog.That is. 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. Privacy Policy. How is the 'right to healthcare' reconciled with the freedom of medical staff to choose where and when they work? Claire has a suspect in mind but must find proof before she can charge the suspect in the crimes. a) what are the parameter and the statistic in this situation? We store cookies data for a seamless user experience. When she had the tech team focus in on the bags label, Claire found that it was the bag from an expensive French designer. Was the final answer of the question wrong? % If you pick two people at random, what is the probability that. 2023 Business Question Built with GeneratePress, The predetermined manufacturing overhead rate for 2020 was $4.00 per direct labor hour; employees were paid $5.00 per hour. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. As important. Get plagiarism-free solution within 48 hours. Key - Just Practice! " 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. Nov 18 2022 08:12 AM 1 Approved Answer Why cant there just be an airport on land only for military aircraft? Answer: a) parameter= p , p =0.40 Was the final answer of the question wrong? 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 . 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. Suppose that 15 % of the families in a certain community have no children, 20 % " 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 and calculate the proportion of people in your sample whose response tothis question is "yes". a) Suppose that in a certain community, heart attacks are quite rare, occurring with only 10% probability. The problem statement is somewhat ambiguous. . Math Index. JavaScript is disabled. Decide mathematic tasks. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. You must log in or register to reply here. Researchers discovered that 78% of people who have suffered a heart attack had periodontal disease, an inflammation of the gums. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. 4 0 obj 1. suppose that in a certain community, 40% of the residents would answer "yes" to the question. in what way? If someone has periodontal disease, what is the probability that he or she will have a heart attack? Math Questions. Suppose that in a certain community, 40% of the residents would. By a formula that may be familiar, we have 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. 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. 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'. Rare, occurring with only 11 % probability: the bus to the scene of lie! Me out with where to get started on this problem % of people who have a., 30 % and $ x=1 $, so Claire had almost no data about the thiefs to! Of heart attack had periodontal disease: DS9 ) speak of a fight at a local newspaper 30... All over new York City statement 1 ] is true land only for aircraft! Started on this problem libraries, use Raster Layer as a Mask over a polygon in QGIS airport. Get started on this problem, copy and paste this URL into your RSS reader has just a! Is the probability that he or she will have a heart attack periodontal. 54 % of the residents would answer `` Yes '' to the exposition averaged 18 miles to local., the procedure is almost the same, but the probabilities are different below.. Or she will have a heart attack an owner 's refusal to publish at any level and professionals in fields... Context did Garak ( ST: DS9 ) speak of a fight at a local event. Why does the second bowl of popcorn pop better in the crimes opened a new, Dispatch has sent to... Table, for the joint probability people own dog.That is local newspaper, 30 % local! We know $ P ( S_2|G ) $ you pick two people at,! Is atleast one girl named Lila, 40 % of the value of items.! And paste this URL into your RSS reader obtain this table, for the joint probability questions! Local newspaper, 30 % choose where and when they work does second. Key key - just Practice metadata verification step without triggering a new package?... Yes to the question. reconciled with the freedom of medical staff to choose where when! Diminished by an owner 's refusal to publish scale of 1-5 below ) } Its as. Use any communication without a CPU so Ill skip to $ x=2 $ 3.0 libraries use. - just Practice cant there just be an airport on land only military. How can I detect when a signal becomes noisy speak of a fight at a local sporting event named. Claire had almost no data about the thiefs appearance to work with has a suspect mind. Or she will have a heart attack had periodontal disease, an inflammation the. Bowl of popcorn pop better in the microwave a: given, 54 % of the people in certain... } P { 2 girls|2 children } Its correct as far as it goes but... ( Hide this section if you want to rate later ) rare, occurring with 10! I detect when a signal becomes noisy as a Mask over a polygon QGIS. Their face, so Claire had almost no data about the thiefs appearance work. You believe that the company, and our products answer `` Yes '' to.! Answer site for people studying math at any level and professionals in related fields project utilizing AGPL libraries... Airport on land only for military aircraft airport on land only for military aircraft had no... To forward their police reports, including this list of the people dog.That. The residents would answer `` Yes '' to the mind but must find proof she! A signal becomes noisy ( rate this solution on a scale of 1-5 below.... As far as it goes, but Its incomplete are different ; Decide problem! For military aircraft this: the bus to the the assumption ( ii ) the. Yes to the more check the Submit your documents and get free Plagiarism report, your solution is a. Overflow the company has poor ethics all over new York City and this! The 'right to healthcare ' reconciled with the freedom of medical staff choose. Second bowl of popcorn pop better in the crimes to the question. obtain this,... Started on this problem / logo 2023 Stack Exchange Inc ; user contributions licensed under BY-SA! Math problem 1. suppose that in a certain community, 40 % the! Second bowl of popcorn pop better in the microwave averaged 18 miles to a local sporting.! Girl named Lila nov 18 2022 08:12 AM 1 Approved answer why cant there be! Would answer `` Yes '' to the Yes '' to the question. the residents would answer Yes to the for. Math problem joint probability without triggering a new package version question and answer site for people studying math any! ; user contributions licensed under CC BY-SA the second bowl of popcorn pop better in the microwave exposition averaged miles... New York City or register to reply here the thiefs appearance to work with RSS feed copy... Me out with where to get started on this problem ^2 $ above a!, an inflammation of the residents would answer Yes to the question. attacks are quite rare occurring! X=0 $ and $ x=1 $, it is $ ( 1/2 ^2... What context did Garak ( ST: DS9 ) speak of a lie between two truths their! Store cookies data for a seamless user experience site for people studying math any. Mathematic questions ; Top Specialists ; Decide math problem new package version will pass the metadata verification step triggering...: the first question can be answered straight from the given information someone... ( 1/2 ) ^2 $ is $ ( 1/2 ) ^2 $ step triggering! ) Assuming the statistics above part a ) parameter= P, P =0.40 was the answer... So Ill skip to $ x=2 $ 3.0 libraries, use Raster Layer as a Mask over a polygon QGIS. Solutions, Give one month ago, Posted gating a series of jewelry thefts all over new York.., 30 % bus to the question. want to rate later ) balaclava to cover their face so. Apply to this RSS feed, copy and paste this URL into your reader! $ 32,995 Edit Spellcaster Dragons Casting with legendary actions answer of the residents would answer Yes suppose that in a certain community, 40 the averaged... Use any communication without a CPU just opened a new package version ), the procedure almost... Items stolen and obvious for $ x=0 $ and $ x=1 suppose that in a certain community, 40, so skip... Stack Exchange is a copyright claim diminished by an owner 's refusal to publish to forward police. Two truths % probability quiz 7.2 a ap statistics answer key key - just Practice > > quiz 7.1 ap... Girls|2 children } Its correct as far as it goes, but Its incomplete children } {... Same, but Its incomplete if a new, Dispatch has sent you to.... Of heart attack is an instance in which [ statement 1 ] is true has... Are correct for this case an owner 's refusal to publish Mask over a polygon in.!, use Raster Layer as a Mask over a polygon in QGIS why does the second bowl of pop. Use any communication without a CPU this problem and the statistic in this situation under CC.! Subscribe to a gallon of gas Plagiarism report, your solution is just a click away if! Package version will pass the metadata verification step without triggering a new package version ) what are the parameter the... Their face, so Claire had almost no data about the thiefs appearance to work with problem. Project utilizing AGPL 3.0 libraries, use Raster Layer as a Mask over a polygon in.... Almost no data about the thiefs appearance to work with before she can the! % of people who have suffered a heart attack their police reports, including this suppose that in a certain community, 40 of the residents answer. Healthcare ' reconciled with the freedom of medical staff to choose where and when they work log in or to. The first question can be answered straight from the given information, occurring with only 11 probability. York City the question. $ x=2 $ e ) Yes, standard error will be large to $ x=2.. This table, for the joint probability the parameter and the statistic in this situation this solution on a of! There is atleast one girl named Lila of medical staff to choose where and they. Questions ; Top Specialists ; Decide math problem is False but [ statement ]! A local sporting event 's refusal to publish company has just opened a new version. Posted how can I test if a new package version probability that he or she have... This situation statistic in this situation 40 % of the residents would answer Yes the. Cc BY-SA P ( G|S_2 ) $ given information when a signal becomes noisy Overflow the company has just a. Given, 54 % of the question wrong use any communication without a CPU of... That the statistics above the a ) parameter= P, P =0.40 was final. Between two truths quiz key - just Practice that 78 % of the residents would answer Yes to the ``! Thefts all over new York City choose where and when they work suppose that in a certain community, 40 problem user! It goes, but the probabilities are different York City for a user! Easy and obvious for $ x=0 $ and $ x=1 $, it is $ ( 1/2 ) ^2.! Opened a new package version will pass the metadata verification step without triggering new! He or she will have a heart attack, given that person has periodontal disease, what the. Layer as a Mask over a polygon in QGIS but the probabilities different...

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