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You measure 30 textbooks' weights, and find they have a mean weight of 52 ounces. Assume the population standard deviation is 6.1 ounces. Based
You measure 30 textbooks' weights, and find they have a mean weight of 52 ounces. Assume the population standard deviation is 6.1 ounces. Based on this, construct a 90% confidence interval for the true population mean textbook weight. Give your answers as decimals, to two places ounces
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Cambridge IGCSE And O Level Additional Mathematics
Authors: Val Hanrahan, Jeanette Powell
1st Edition
1510421645, 978-1510421646
