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The time taken to complete a particular task is normally distributed with a standard deviation of 15 minutes. A random sample of 8 peopie is

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The time taken to complete a particular task is normally distributed with a standard deviation of 15 minutes. A random sample of 8 peopie is selected and they complete the task in the following times (in minutes): 64848386848876106 We use a 58 level of significance to test the claim that the mean time for completion of the task is 1 hour and 25 minutes. 1. The null and alternate hypotheses are 2. The value of the test statistic is ztz=0.21=0.21=0.21:=0.21 3. The p-value is 2-value>0.05p-value

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