A marriage counselor has traditionally seen whom her communication program can prevent divorce is 76%. After making
Question:
A marriage counselor has traditionally seen whom her communication program can prevent divorce is 76%. After making some recent changes, the marriage counselor now claims that her program can prevent divorce in more than 76% of married couples. In a random sample of 2055 married couples who completed her program, 163 of them stayed together. Bases on this sample, is there enough evidence to support the marriage counselor's claim at the 0.01 level significance? Perform a one tailed test. Then complete the parts below. a) state the null hypothesis H0 and the alternative hypothesis H1. H0= H1= b) Determine the typed of test statistic to use. c) Find the value of the the test statistic d) Find the P value e) Is there enough evidence to support the marriage counselor's claim that the proportion of married couples for whom her program can prevent divorce is more than 76%, y or n?