A politician recently made the claim that 47% of taxpayers from a certain region do not pay any income taxes. Makayla is a journalist for an online media company and is testing the politician's claim for an op-ed. She randomly selects 159 taxpayers from the region to conduct a survey and finds that 73 of them do not pay any income taxes. What are the null and alternative hypotheses for this hypothesis test? Select the correct answer: A) {H0:p=0.47Ha:p>0.47 B) {H0:p=0.47Ha:p<0.47 C) {H0:p=0.47Ha:p≠0.47 D) {H0:p≠0.47Ha:p=0.47

Q: A state university annual report showed that its retention rate was at 24% and university…

A: Null and alternative hypothesisNull Hypothesis:A null hypothesis is a statement regarding the…

Q: Minnesota had the highest turnout rate of any state for the 2016 presidential election. Political…

A: (a) State the hypotheses. That is, there is no evidence to conclude that registered voters in rural…

Q: Conduct the appropriate hypothesis test and compute the test statistic. Previous data suggests that…

A: WW have given that  Sample size n= 25  Sample mean = 51 Sample standard deviation = 5

Q: Speaking to a group of analysts in January 2006, a brokerage firm executive claimed that at least…

A: Denote p as the true proportion of investors are currently confident of meeting their investment…

Q: You are conducting a stuldy to significantly different from 53% at a level of significance of a-…

A: a. It can be considered that the sample is collected using a random method.

Q: A study showed that 66% of supermarket shoppers believe supermarket brands to be as good as national…

A:

Q: According to the 2010 Census, 16% of people in the United States are of Hispanic or Latino origin.…

A: a. Let p be the population proportion of Hispanic people than the nation as a whole and questions…

Q: According to a recent report, 45% of college student internships are unpaid. A recent survey of 80…

A: a) Denote π as the true proportion of college students’ unpaid internship. It is reported that 45%…

Q: n 2011, a U.S. Census report determined that 66% of college students are working students. A…

A: (A)

Q: 16% of all college students volunteer their time. Is the percentage of college students who are v…

A: The claim is that the % of college students who are volunteers larger for students receiving…

Q: Only 14% of registered voters voted in the last election. Will voter participation decline for the…

A: 373 randomly selected registered voters surveyed; n=373 37 of them will vote in the upcoming…

Q: vouchers are improperly documented. In your job as an auditor, you conduct a random sample of 100 of…

A: Sample size n=100Sample proportion p^=0.3

Q: According to a recent report, 45% of college student internships are unpaid. A recent survey of 120…

A: Given that  The population proportion of college student internships are unpaid (p)=0.45 Let X…

Q: In the most recent YouGov survey of 1,500 U.S. Adults Citizens, 39% said they approve of the job the…

A: Given: n=1500p^=0.39P=0.416

Q: According to the Centers of Disease Control, about 22% of American young people between the ages of…

A: (a) Denote p as the true proportion of obese students between 12 and 19 years of age, in the local…

Q: Claim: Most adults would erase all of their personal information online if they could. A software…

A: According to the provided information, the claim is “Most of adults would erase all of their…

Q: You are conducting a study to see if the proportion of voters who prefer the Democratic candidate is…

A: a. Test TypeFor this study, we should use a one-sample z-test for proportions.b. HypothesesThe null…

Q: Assume that adults were randomly selected for a poll. They were asked if they "favor or oppose using…

A: Note: "Since you have posted a question with multiple sub-parts, we will solve the first three…

Q: To determine if people prefer this year's school start time over last year's school start time, WCS…

A: From the above data

Q: According to a recent​ report, 45​% of college student internships are unpaid. A recent survey of 80…

A: a. Part 1: Suppose π as the true proportion of college interns that had unpaid internships.

Q: According to the Centers for Disease Control and Prevention, 10.3% of high school students currently…

A:

Q: In a random sample of 160 business school students, 72 sample members indicated some measure of…

A: The question is about hypo. testing Given : Randomly selected no. of business school students ( n )…

Q: The Congressional Budget Office reports that 36% of federal civilian employees have a bachelor's…

A: Sample size n =119 Favorable cases x =32 Sample proportion p^=x/n  =32/119 =0.2689 NOTE:- According…

Q: 2. In 2013, according to the American Dental Association, 50% of adults floss their teeth daily.…

A:

Q: According to the Centers of Disease Control, about 22% of American young people between the ages of…

A:

Q: You are conducting a study to see if the proportion of voters who prefer the Democratic candidate is…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: A researcher claims that 62% of voters favor gun control. Assuming that a hypothesis test is…

A: Solution: From the given information, the claim is that 62% of voters favor gun control.

Q: Christine, a researcher in psychology and biobehavioral health, believes that city residents and…

A: That is, there is no evidence to conclude that there is difference between the two proportions.…

Q: The Center for Entrepreneurship is seeking to offer programs to aid students who are interested in…

A: Given data is appropriate for testing of hypothesis to test t-test for difference of means, because…

Q: A computer manufacturer believes that the proportion of hardware malfunctions is different in humid…

A: From the provided information,

Q: The American Library Association claims that at most 67% of library patrons actually borrow books.…

A:

Q: A financial analyst is studying how they can reduce credit card debt for their clients. It is known…

A:

Q: n February 2008, an organization surveyed 1040 adults age 18 and older and found that 539 believe…

A: State the hypotheses.

Q: A medical survey in 2015 indicated that 48% of Australian adults prefer to take a generic drug than…

A: From the provided information, 48% of Australian adults prefer to take a generic drug than pay more…

Q: A newsletter publisher believes that 67 % of their readers own a personal computer. Is there…

A: Here we need to state the null and alternative hypothesis for the given situation.

Q: According to a Pew Research Center study, in May 2011, 33% of all American adults had a smart phone…

A: In a research study, 33% of American adults had a smartphone. The number of community college…

Q: The bad debt ratio for a financial institution is defined to be the dollar value of loans defaulted…

A: The data of mean bad debt ratio of 65 banks are given and objective is to test whether the mean bad…

Q: Only 12% of registered voters voted in the last election. Will voter participation decline for the…

A: (a) For this study, we would use one sample z-proportion test. (b)

Q: (a) Determine the null and alternative hypotheses. Ho: ▼ H₁: ▼ ▼ (Type integers or decimals. Do not…

A: 9.8% of high school students currently use electronic cigarettes.Of the total high school students…

Q: In 1948, an organization surveyed 1100 adults and​ asked, "Are you a total abstainer​ from, or do…

A: State the hypotheses.   Obtain the value of the test statistic. The value of test statistic is…

Q: Write the null and alternative hypotheses using proper notation? b. What is the value of the test…

A: Given that Sample size n = 500 Sample proportion of market share = 0.125 Level of significance =…

Q: According to a recent report, 45% of college student internships are unpaid. A recent survey of 100…

A: Introduction: Consider that p is the true proportion of college interns with unpaid internships.

Q: Christine, a researcher in psychology and biobehavioral health, believes that city residents and…

A: From the provided information, n1=109x1=59n2=108x2=72α=0.1

Q: Minnesota had the highest turnout rate of any state for the 2016 presidential election.† Political…

A: (Let p1 = the population proportion of voters in rural Minnesota who voted in the 2016 election and…

Q: Support for the U.S. death penalty for convicted murderers was 63% in 2014 (Gallup poll results…

A: