You measure 50 randomly selected textbooks' weights, and find they have a mean weight of 56 ounces. Assume the population standard deviation is 13.2 ounces. Based on this, construct a 90% confidence interval for the true population mean textbook weight. Give your answers as decimals, to two places <μ<

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You measure 50 randomly selected textbooks' weights, and find they have a mean weight of 56 ounces.
Assume the population standard deviation is 13.2 ounces. Based on this, construct a 90% confidence
interval for the true population mean textbook weight.
Give your answers as decimals, to two places
<μ<
Transcribed Image Text:You measure 50 randomly selected textbooks' weights, and find they have a mean weight of 56 ounces. Assume the population standard deviation is 13.2 ounces. Based on this, construct a 90% confidence interval for the true population mean textbook weight. Give your answers as decimals, to two places <μ<
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