You want to set up a test for the following hypotheses: H0: = .65 Ha:

Question:

You want to set up a test for the following hypotheses: H0: π = .65 Ha: π ≠ .65. You will have a random sample of 225 population members to make your decision.
a. Suppose the sample proportion turns out to be π > .69. Compute the sample test statistic, z stat.
b. Using a significance level of .01, show the critical zscores for the test and report your decision.