A hypothesis test is to be performed. Determine the null and alternate hypotheses. In  1994 , the average duration of long-distance telephone calls originating in one town was  7.6  minutes. A long-distance telephone company wants to perform a hypothesis test to determine whether the average duration of long-distance phone calls has changed from the  1994  mean of  7.6  minutes.     H0 : =μ7.6 minutes H1 : <μ7.6 minutes     H0 : =μ7.6 minutes H1 : ≠μ7.6 minutes     H0 : =μ7.6 minutes H1 : >μ7.6 minutes     H0 : ≠μ7.6 minutes H1 : =μ7.6 minutes

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