Question: This is a question my prof gave the class and I am having the hardest time figuring it out.. Please help!!! You measure 49 backpacks'

This is a question my prof gave the class and I am having the hardest time figuring it out.. Please help!!!

You measure 49 backpacks' weights, and find they have a mean weight of 77 ounces. Assume the population standard deviation is 12.6 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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