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Nielson Media Research reports the household mean television viewing time during the 8pm to 11pm time period is 7.75 hours per week. Assuming a sample

Nielson Media Research reports the household mean television viewing time during the 8pm to 11pm time period is 7.75 hours per week. Assuming a sample of 180 households and a sample standard deviation of 3.45 hours, what is the 95% confidence interval estimate of the mean television viewing per week during the 8pm to 11pm viewing period

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