In the past, the mean running time for a certain brand of laptop has been 9.5 hours. The manufacturer has introduced a change in the battery hardware and wants to perform a hypothesis test to determine whether the mean running time has increased as a result.  a)  Write the hypotheses for this test. b)  Explain the result of a Type 1 Error. c)  Explain the result of a Type 2 Error.

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 In the past, the mean running time for a certain brand of laptop has been 9.5 hours. The manufacturer has introduced a change in the battery hardware and wants to perform a hypothesis test to determine whether the mean running time has increased as a result. 

a)  Write the hypotheses for this test.

b)  Explain the result of a Type 1 Error.

c)  Explain the result of a Type 2 Error.

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Hypothesis Testing

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