Significance Tests and Confidence Intervals Answers

Let μB = the true cost of an oil change for all BMWs and μT = the true cost of an oil change for all Tahoes. What are the appropriate hypotheses for this test? Check all that apply.

If we tested at the = 0.01 significance level, we would H0 because the P-value (which is between 0.01 and 0.02) is = 0.01.

We convincing evidence that the true mean cost of an inspection on the West Coast is greater than the mean cost of an inspection on the East Coast.