b.For the students who did support a decision or decisions, which single decision was supportedby the most students?If the student council could make one single region of the Venn diagram larger (that is, make itс.have more members), which one would it be and why?d.How many students, who responded to the survey, didn't support any of the student councilsdecisions? Why do you think they did not support any of the decisions? 2. The student council wants to know what activities would be supported by the student body.Decisions about activities are often made on the basis of survey information. Let's say that a surveywas sent out to the student body via emails listed in the school's data base. The survey asked threequestions:• Do you support the student council's decision to hold a fund raiser for the food bank?• Do you support the student council's decision to have a school social?• Do you support the student council's decision to offer peer mentoring?Below is a Venn diagram showing the results of the students who responded to the survey. Each circlerepresents the students who supported that decision. Use the diagram to answer the followingquestions. For each question show all calculations required and state your conclusion in a completesentence or short paragraph.STUDENTS WHO RESPONDED TO THE SURVEYFund RaiserSocial1283552784396215Mentoring3,286а.How many students responded to the survey?

Answered: Image /qna-images/answer/9bc6abf3-41c4-456c-8a38-48228e5df086.jpg

Answered: 2. The student council wants to know…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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One question in the General Social Survey asks, “Do you think that it should be government’s responsibility to reduce income differences between the rich and the poor?” Those answering yes in a recent survey included 90 of the 142 respondents who called themselves “strong Democrat” in political party identification and 26 of the 102 who called themselves “strong Republican.” Question: Find the point estimate (n) of the proportion answering yes for each group. What is the point estimate for strong Democrat and strong Republicans
Assume that T is a linear transformation. Find the standard matrix of T.
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A dentist wants to a conduct a survey via telephone to determine what percent of all adults in their city floss daily. Which of these is the best example of response bias? Some people might not answer their phone after repeated calls. People with unlisted phone numbers or people with cell phones might be left out of the sample. Some people might refuse to tell a stranger on the phone about their flossing habits. Some people might feel pressured to say they floss even though they don’t.
The North American Free Trade Agreement (NAFTA) enacted in 1994 is a trilateral trade agreement signed by the United States, Canada and Mexico. This trade agreement has been controversial since its inception and Americans remain split on the issue. In a Gallup Poll conducted February 1-5, 2017, 448 out of 973 randomly selected Americans aged 18 or older stated that they believed that NAFTA was bad for the United States. a. Find the point estimate for the proportion of Americans who believe that NAFTA was bad for the United States. Round your answer to 4 decimal places. b. Find the margin of error for a 95% confidence interval. Round your answer to 4 decimal places. c. Construct the 95% confidence interval for the proportion of Americans who believe that NAFTA was bad for the United States. Enter your answer as an open interval of the form (a,b) and round to 3 decimal places. d. Can you conclude that more than half of Americans believe that NAFTA was bad for the United States? No, the…
Suppose you just graduated with an accounting degree and are trying to choose an accounting firm to begin your career. You spent hours researching many firms and have narrowed your search down to three (i.e. Aguilar, Brown and Cheng). You have surveyed accountants to determine if the average incomes at each firm are equal between each of your top three choices. Obviously you want to join the firm with the highest average pay. Below are a sample of salaries (i.e. eight individuals from each firm) enabling you to test the hypothesis that the average pay (in thousands of $) is equal between employers. Use Fisher's LSD procedure (if necessary) to test whether there is a significant difference between any of the firms. (Show work for full credit, 10 pts) Aguilar Brown Cheng 72 98 80 81 60 54 103 87 60 94 69 45 64 72 53 58 67 42 70 74 67 71 78 80 Using a .05 level of significance complete the hypothesis test below. A. State the null and alternative…
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