_____ 13. A pregnant women gives herself a home pregnancy test that shows a negative result.What type of error has been made?

a. Type I

b. Type II

c. Both A and B

d. no error has been made

_____ 14. After conducting a hypothesis test at a = .05, you decide to reject the null hypothesis.What is the probability that you made a Type I error?

a.0%

b.50%

c.5%

d.cannot be determined from the information given

_____ 15. If I want to test whether runners have a slower heart rate than the general population at = .01, what is the appropriate critical value?

a.1.64

b. -1.64

c.2.33

d.-2.33