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You measure 32 backpacks' weights, and find they have a mean weight of 78 ounces. Assume the population standard deviation is 8 ounces.
You measure 32 backpacks' weights, and find they have a mean weight of 78 ounces. Assume the population standard deviation is 8 ounces. Based on this, construct a 95% confidence interval for the true population mean backpack weight.