1. Find the critical value(s) for a hypothesis test using asample of size n = 12, a significance level = 0.01 and null hypothesis H₀: > 40.

Assume that the population SD is unknown.

a. -2.718

b. - 2.68

c. + 3.11

d. - 2.33

1. Classify the hypothesis test as left-tailed, right-tailed, or two-tailed. The owner of a football team claims that the average attendance at games is over 74,900, and he is therefore justified in moving the team to a city with a larger stadium.

An independent investigator will conduct a hypothesis test to determine whether his claim is accurate.

a. Two-tailed

b. Left-tailed

c. Right-tailed