(Solved) : Statistics Homework 103 . . .

Question Description

Chapter 7 Homework

1) Identify Whether to Use a One-tailed or Two-tailed Test Given H0: p ≥ 80% and Ha: p < 80%,determine whether the hypothesis test is left-tailed, right-tailed, or two-tailed.

2) A car maker claims that its new sub-compact car gets better than 47 miles per gallon on the highway.Determine whether the hypothesis test for this is left-tailed, right-tailed, or two-tailed.

3) The owner of a professional basketball team claims that the mean attendance at games is over 30,000and therefore the team needs a new arena. Determine whether the hypothesis test for this claim is