Posted by **Anonymous** on Wednesday, August 24, 2011 at 5:39pm.

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

- Statistics -
**PsyDAG**, Thursday, August 25, 2011 at 10:33am
Ho: x ≥ 70,000

Ha: x < 70,000

- Statistics (oops) -
**PsyDAG**, Thursday, August 25, 2011 at 10:35am
Ho: x > 70,000

Ha: x ≤ 70,000

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