Asked by Anonymous

an automobile manufacturer claims that their tires last more than 70,000 miles before replacement? Whats the null and alternative hypothesis

14 years ago

Answered by PsyDAG

Ho: x ≥ 70,000
Ha: x < 70,000

14 years ago

Answered by PsyDAG

Ho: x > 70,000
Ha: x ≤ 70,000

14 years ago

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