Conclusion that population standard deviation is right

Reference no: EM13140341

A social scientist claims that the average adult watches less than 30 hours of television per week. He collects data on 50 individuals' television viewing habits and finds that the mean number of hours that the 50 people spent
watching television was 28.8 hours. If the population standard deviation is known to be 7.5 hours, can we conclude at the 5% significance level that he is right?

Reference no: EM13140341

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