A large tire manufacturing company has claimed that its top line tire will average more than 80,000 miles.If a consumer group wished to test this claim,they would formulate the following null and alternative hypotheses:
H₀ : μ ≥ 80,000
H_α : μ ≠ 80,000

Question

Quizplus · Accepted Answer

The null hypothesis should state that the average is 80,000 miles or less (H₀: μ ≤ 80,000), while the alternative hypothesis should state that the average is more than 80,000 miles (Hₐ: μ > 80,000) to test the company's claim.

A Large Tire Manufacturing Company Has Claimed That Its Top