The mean time a customer spends on line per day is about, Ask an Expert

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An Internet provider is trying to gain advertising deals and claims that the mean time a customer spends on line per day is about 28 minutes. You are asked to test his claim. How would you prepare the null hypothesis if:

a) you represent the internet provider and want to support the claim?
b) you represent an advertiser and want to reject the claim?

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Category:- Statistics and Probability
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