One hundred eight Americans were surveyed to determine the number of hours they spend watching television each month. It was revealed that they watched an average of 151 hours each month with a standard deviation of 32 hours. Construct a 99% confidence interval for the population mean hours spent watching television per month. ANSWER: CI: (\_, \_ )
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Step 1: Given information Sample mean (x̄) = 15 hours Sample standard deviation (s) = 32 hours Sample size (n) = 108 Confidence level = 99% Show more…
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One hundred eight Americans were surveyed to determine the number of hours they spend watching television each month. It was revealed that they watched an average of 151 hours each month with a standard deviation of 32 hours. Assume that the underlying population distribution is normal. Construct a 99% confidence interval for the population mean hours spent watching television per month.
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One hundred eight Americans were surveyed to determine the number of hours they spend watching television each month. It was revealed that they watch an average of 151 hours each month, with a standard deviation of 32 hours. Assume that the underlying population distribution is normal. Construct a 99 percent confidence interval for the population mean hours spent watching television per month. State the confidence interval, sketch the graph, and calculate the error bound.
Jerelyn N.
One hundred eight Americans were surveyed to determine the number of hours they spend watching television each month. It was revealed that they watched an average of 151 hours each month with a standard deviation of 32 hours. Assume that the underlying population distribution is normal. Construct a 99% confidence interval for the population mean hours spent watching television per month. a) State the confidence interval b) Calculate the error bound
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