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You measure 48 packages' weights, and find they have a mean weight of 36 ounces. Assume the population standard deviation is 11.5 ounces.

You measure 48 packages' weights, and find they have a mean weight of 36 ounces. Assume the population standard deviation is 11.5 ounces. Based on this, construct a 95% confidence interval for the true population mean package weight.


Give your answers as decimals, to two places


______ < μ < ______

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