You measure 25 randomly selected textbooks' weights, and find they have a mean weight of 39 ounces. Assume the population standard deviation is 11.2 ounces. Based on this, construct a 90% confidence...


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You measure 25 randomly selected textbooks' weights, and find they have a mean weight of 39 ounces.<br>Assume the population standard deviation is 11.2 ounces. Based on this, construct a 90% confidence interval<br>for the true population mean textbook weight.<br>Give your answers as decimals, to two places<br>

Extracted text: You measure 25 randomly selected textbooks' weights, and find they have a mean weight of 39 ounces. Assume the population standard deviation is 11.2 ounces. Based on this, construct a 90% confidence interval for the true population mean textbook weight. Give your answers as decimals, to two places

Jun 06, 2022
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