1. Sample 100 students and ask if they have been to a movie in the last year. Is this significantly different than the known US population percent of 12%. Your z* value is +1.72. The 1 tail critical value is 1.65, the 2 tail critical value is 1.96. The critical value could be in the negative or positive tail depending on how the question and hypotheses would be set up. You will conclude:

a. The percent of students that have been to a movie in the last year is not significantly different from the US percent of 12%

b. The percent of students that have been to a movie in the last year is significantly larger than the US percent of 12%

c. The percent of students that have been to a movie in the last year is significantly less than the US percent of 12%

2. You are told that the percent of people expected to vote for Bob for mayor is 33% with a margin of error of 5%. Would this percent be significantly different from the percent expected to vote for Paul whose percent is 31%?

a. true

b. false