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March 29, 2017

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

  • Statistics - ,

    Ho: x ≥ 70,000
    Ha: x < 70,000

  • Statistics (oops) - ,

    Ho: x > 70,000
    Ha: x ≤ 70,000

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