For a onetailed hypothesis test the critical z value of the

For a one-tailed hypothesis test, the critical z value of the test statistic is -2.33. Which of the following is true about the hypothesis test?

Select one:

a. ? = 0.05 for a lower-tailed test

b. ? = 0.01 for a lower-tailed test

c. ? = 0.05 for an upper-tailed test

d. ? = 0.01 for an upper-tailed test

Solution

a. a = 0.01 for a lower-tailed test