# Question

When the 2000 General Social Survey asked, “Would you be willing to pay much higher taxes in order to protect the environment?” (Variable GRNTAXES), 369 people answered yes and 483 answered no. (We exclude those who made other responses.) Let p denote the population proportion who would answer yes. MINITAB shows the following results to analyze whether a majority or minority of Americans would answer yes:

a. What are the assumptions for the significance test? Do they seem to be satisfied for this application? Explain.

b. For this printout, specify the null and alternative hypotheses that are tested, and report the point estimate of p and the value of the test statistic.

c. Report and interpret the P-value in context.

d. According to the P-value, is it plausible that p = 0.50? Explain.

e. Explain an advantage of the confidence interval shown over the significance test.

a. What are the assumptions for the significance test? Do they seem to be satisfied for this application? Explain.

b. For this printout, specify the null and alternative hypotheses that are tested, and report the point estimate of p and the value of the test statistic.

c. Report and interpret the P-value in context.

d. According to the P-value, is it plausible that p = 0.50? Explain.

e. Explain an advantage of the confidence interval shown over the significance test.

## Answer to relevant Questions

A Pew Research Center poll in 2010 asked a random sample of 2505 adults about their attitudes and opinions concerning the U.S. government (www.people-press.org). When asked whether they felt content, frustrated or angry, 56% ...A jury list contains the names of all individuals who may be called for jury duty. The proportion of the available jurors on the list who are women is 0.53. If 40 people are selected to serve as candidates for being picked ...When Vincenzo Baranello’s blood pressure is in control, his systolic blood pressure reading has a mean of 130. For the last six times he has monitored his blood pressure, he has obtained the values 140, 150, 155, 155, ...In making a decision in a significance test, a researcher worries about rejecting H0 when it may actually be true. a. Explain how the researcher can control the probability of this type of error. b. Why should the researcher ...Two TV commercials are developed for marketing a new product. A volunteer test sample of 200 people is randomly split into two groups of 100 each. In a controlled setting, Group A watches commercial A and Group B watches ...Post your question

0