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  3. you measure 45 randomly selected textbooks weights

You measure 45 randomly selected textbooks weights and find they have a mean weight of...

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You measure 45 randomly selected textbooks weights and find they have a mean weight of 45 ounces Assume the population standard deviation is 4 1 ounces Based on this construct a 99 confidence interval for the true population mean textbook weight Give your answers as decimals to two places

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