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Suppose that 100 randomly selected members of the Shopping Channel were asked how much time they typically spend on the site during the week. The

  1. Suppose that 100 randomly selected members of the Shopping Channel were asked how much time they typically spend on the site during the week. The sample mean was found to be 5.2 hours. Assume that the population standard deviation is known to be 2.9. Compute the 95% confidence interval for the average time on the site.

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