Are the requirements met to test a hypothesis for the following two population proportions? If not, state which requirement is not met, and show whyit fails.   In a random sample of 100car owners, 85% said they were happy with the fuel economy of their car. In a random sample of 80truck owners, 4% said they were happy with the fuel economy of their truck.

Q: Which of the following is NOT a condition necessary for a hypothesis test about a single population…

A: Given that : Which of the following is NOT a condition necessary for a hypothesis test about a…

Q: In hypothesis testing, which of the following/s is/are true? a. rejecting the null might lead to a…

A: Statement (a). Type 1 error Probability of rejecting the null hypothesis when it is true. This…

Q: A national TV program asks viewers to ring in regarding whether they think Scott Morison is doing a…

A: A voluntary response sampling represents a poll or survey in which opinions are selected from a…

Q: According to national data, 17% of U.S. college students are a member of a sorority or a fraternity.…

A: Q.1 - Solution : Given that :-According to national data, 17% of U.S. college students are a member…

Q: According to the Centers of Disease Control, about 20% of American young people between the ages of…

A:

Q: At a factory, certain metal components are manufactured on two different machines (A and B). The…

A: From the provided information, The claim is that machine B produces components that are stronger and…

Q: In hypothesis testing, which of the following/s is/are true? a. a type Il error must occur whenever…

A: Type 1 error: Probability of reject Ho when Ho is true  Type 2 error: Probability of accept Ho(can't…

Q: In a sample of 49 men, 38 said that they had less leisure time today than they had 10 years ago. In…

A: The claim is that there is a difference in the proportions.

Q: A newsletter publisher believes that 25%of their readers own a personal computer. Is there…

A: Given that  A newsletter publisher believes that 25%of their readers own a personal computer. Level…

Q: ​If, in a sample of n=25 selected from a normal​ population, X=52 and S=10​, what is the value of…

A:

Q: As a result of complaints from customers about delivery times, the manager at a pizza delivery…

A: Given information- We have given that the average delivery time is 30 minutes. And the manager wants…

Q: respond favorably to a new advertisement than the people in the western part of her country. She…

A:

Q: In a hypothesis test, if the sample data is determined to be in the critical region with α = .05,…

A:

Q: Which of the following best describes the null hypothesis associated with using a 2-sample t-test to…

A: A 2 sample t test used for test whether the unknown population meansof two groups are equal or not…

Q: A number of initiatives on the topic of legalized gambling have appeared on state ballots. A…

A: From the provided information, Sample size (n) = 1521 From which 1032 approved. Level of…

Q: A state-by-state survey found that the proportions of adults who are smokers in state A and state B…

A: The following information is provided. Number of respondent from each state is 3000. n1=n2=3000 The…

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

A:

Q: In hypothesis testing, which of the following/s is/are true? O a. rejecting the null might lead to a…

A: Statistical hypothesis testing is an important method in inferential statistics. It is used to test…

Q: Based on a USA Today poll, 10% of the population believes that college is no longer a good…

A:

Q: Select which of the following null and alternative hypotheses are most appropriate for a two-sample…

A: Null Hypothesis: This implies that certain characteristics do not differ from the population. It…

Q: Massachusetts Institute of Technology grants pirate certificates to those students who successfully…

A: Claim: Test the claim that those students who go on to earn pirate certificates are able to hit a…

Q: Two observational studies of handwashing times were conducted with 59 men and 59 women.  Of the 59…

A: Let p1 population proportion of women not washing their hands, and p2 population proportion of men…

Q: An exercise science student believes that during professional rugby games the average distance…

A: Provided that : When reviewing game statistics the student found that the average distance covered…

Q: After a product recall, a company solicits feedback from a random sample of 100 customers regarding…

A: Chi square test

Q: If you use a 0.05 level of significance in a​ two-tail hypothesis​ test, what decision will you make…

A: Given  ZSTAT=-1.52, ɑ=0.05 Two tailed hypothesis

Q: Find the P-value for the following values of the test statistic t, sample size n, and alternate…

A:

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

A: Here we have , X1 = 429, N1 = 1100 , p1 ^= x1n1 = 0.39 X2 = 363 , N2 = 1100 , p2 ^= x2n2 = 0.33

Q: Suppose that we want to know if the population mean of GPA of male and female students (M1 and M2)…

A:

Q: n order to compare the means of two populations, independent random samples of 225 observations are…

A: μ1 = population mean for sample 1 μ2 = Population mean for sample 2

Q: Utilizing the previous table: A sample of 25 cities have been classified as high or low on their…

A:

Q: What is the p-value if, in a two-tail hypothesis test, ZSTAT = +2.00?

A: Given, A two-tailed test with z-stat=+2.00

Q: The Eastern and Western Major League Soccer conferences have a new Reserve Division that allows new…

A: Let E represent the eastern division and W represent the western division. The data values are given…

Q: The central problem in the case of two-sample hypothesis test is to determine a. if the sample are…

A: The central problem in the case of two-sample hypothesis test is to determine  if two populations…

Q: A national magazine stated that at most, 18% of millennials have a sports club membership. Formulate…

A: One sample t test is used to test whether the sample mean is came from the population or not. The…

Q: In the recent census, three percent of the U.S. population reported being two or more races.…

A: From the given information, Consider, p1= The Proportion of North Dakotans who are reported being of…

Q: The​ ___________ is a value used in making a decision about the null hypothesis and is found by…

A: The​ Test statistic is a value used in making a decision about the null hypothesis and is found by…

Q: The Adecco Workplace Insights Survey sampled men and women workers and asked ifthey expected to get…

A:

Q: The Adecco Workplace Insights Survey sampled men and women workers and asked ifthey expected to get…

A: a.

Q: The mean SAT Score in mathematics is 506. The founders of a nationwide SAT preparation course claim…

A: Null and alternative hypotheses: The hypothesis which is tentatively fixed up under and tested for…

Q: The Global Business Travel Association (GBTA) reported the domestic airfare for business travel for…

A:

Q: According to a recent​ report, 46​% of college student internships are unpaid. A recent survey of 60…

A: The question is about hypo. testing for popl. prop. Given : Prop. of college students whose…

Q: The Adecco Workplace Insights Survey sampled men and women workers and asked ifthey expected to get…

A: a. In a survey, 74 out of 200 women and 104 out of 200 men replied yes when they were asked that if…

Q: A decade-old study found that the proportion of high school seniors who felt that "getting rich" was…

A: In this context, it is given that the proportion of high school seniors who felt that “getting rich”…

Q: he following results are for two independent samples taken from the two populations. Sample 1…

A: Sample 1 Sample 2 n1 = 40 n2 = 50 x-bar1 = 25.5 x-bar2 = 22.8 σ1 = 5.2 σ2 = 6.0

Q: The National Institute of Mental Health published an article stating that in any one-year period,…

A:

Q: An educator claims that the average salary of substitute teachers in the school districts in his…

A: Data given  $90,$86,$90,$85,$100,$85,$90,$85  Population mean μ=90,n=8

Q: develop a research question that can be addressed with the dependent-samples t test, making sure to…

A:

Q: A municipality’s local election board claims that 25% of registered voters typically cast ballots in…

A: Given: Claim that 25% of registered voters typically cast ballots in the elections.

Q: Find the P-value for the following values of the test statistic t, sample size n, and alternate…

A: From the provided information, The value of the test statistic t = 3.635 Sample size (n) = 4 H1: µ…

2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.