Mathematics, 18.02.2020 01:00 crybaby222psyc

A website would like to test the hypothesis that the average length of an online video watched by a user is more than 8 minutes. A random sample of 37 people watched online videos that averaged 8.7 minutes in length. It is believed that the population standard deviation for the length of online videos is 2.5 minutes. The website owners would like to set α=0.02. What is the critical value for this hypothesis test?

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