Question: Chrysler Concorde: Acceleration Consumer Reports stated that the mean time for
a Chrysler Concorde to go from 0 to 60 miles per hour was 8.7 seconds.

1. If you want to set up a statistical test to challenge the claim of 8.7 seconds, what would you use for the null hypothesis?
2. The town of Leadville, Colorado, has an elevation over 10,000 feet. Suppose
   that you wanted to test the claim that the average time to accelerate from 0 to
   60 miles per hour is longer in Leadville (because of less oxygen). What would ;
   you use for the alternate hypothesis?
3. Suppose that you made an engine modification and you think the average time to accelerate from 0 to 60 miles per hour is reduced. What would you use for the alternate hypothesis?
4. For each of the tests in parts (b) and (c), would the critical region be on the left, right, or both sides of the mean? Explain your answer in each case.

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