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A survey of 20 randomly selected adult men showed that the mean time they spend per week watching sports on television is 7.82 hours with
A survey of 20 randomly selected adult men showed that the mean time they spend per week watching sports on television is 7.82 hours with a standard deviation of 1.87 hours. Assuming that the time spent per week watching sports on television by all adult men is (approximately) normally distributed, construct a 90% confidence interval for the population mean, /. Round your answers to two decimal places. Lower bound: i Upper bound
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