You measure 48 backpacks' weights, and find they have a mean weight of 72 ounces. Assume the population standard deviation is 4.8 ounces. Based on this, construct a 90% confidence interval for the true population mean backpack weight. Give your answers as decimals, to two places ounces

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A: given data, normal distributionμ=399σ=32we have to find out the heaviest 6 % of fruits weight =?

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