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You measure 48 backpacks' weights, and find they have a mean weight of 43 ounces. Assume the population standard deviation is 6.4 ounces. Based on

You measure 48 backpacks' weights, and find they have a mean weight of 43 ounces. Assume the population standard deviation is 6.4 ounces. Based on this, construct a 95% confidence interval for the true population mean backpack weight.

Give your answers as decimals, to two places

ounces

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