Question

In a pew research center poll of 745 randomly selected adults, 589 said it is morally wrong not to report all income on tax returns. Use a .01 significance level to test the claim that 75% of adults say that it is morally wrong not to report all income on the returns.

Question 3: Which command in stat crunch do you use here?

A. Z Stats

B. T stats

C. Proportion stats

D. Variance Stats

Question 4: What is the P-value for this problem?

Question 5: What is our conclusion in terms of null hypothesis?

A. Reject the null hypothesis

B. Do not reject null hypothesis

Question 6: In plain english, our conclusion to this hypothesis test is:

A. seventy five percent of adults say that it is morally wrong to not report all income on tax returns.

B. More than 75% of adults say that it is morally wrong to not report all income on tax returns.

C. Less than 75% of adults say that it is morally wrong to not report all income on tax returns.

D. The percent of adults who say it is morally wrong not to report all income is something other than 75%

Question 7. Find the 99% confidence interval for the true proportion of adults who believe it is morally wrong not to report all income and fill in the blank below

We believe that the proportion of adults who find it morally wrong not to report all in come is between _________ and 0.829. We are 99% confident of this belief because 99% of similarly produced sample will contain the actual proportion.

Answer 1