a-tire-manufacturer-claims-that-the-mean-mileage-of-its-competitors-tires-is-les-a6f7b63a

Question

A tire manufacturer claims that the mean mileage of its competitor’s tires is less than $40 comma 000$ miles. You are asked to conduct a hypothesis test to evaluate this claim. How would you state the null and alternative hypotheses if you were representing the competitor and wanted to reject the claim?

Accepted Answer

$2 cases Case 1: H sub 0 colon mu is less than or equal to 40 comma 000 Case 2: H sub a colon mu is greater than 40 comma 000$

Answer

$2 cases Case 1: H sub 0 colon mu is less than or equal to 40 comma 000 Case 2: H sub a colon mu is greater than 40 comma 000$

Answer

$2 cases Case 1: H sub 0 colon mu is less than or equal to 40 comma 000 Case 2: H sub a colon mu is greater than 40 comma 000$

Answer

$2 cases Case 1: H sub 0 colon mu is less than or equal to 40 comma 000 Case 2: H sub a colon mu is greater than 40 comma 000$