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You measure 21 watermelons' weights, and find they have a mean weight of 41 ounces. Assume...

You measure 21 watermelons' weights, and find they have a mean weight of 41 ounces. Assume the population standard deviation is 3.2 ounces. Based on this, construct a 90% confidence interval for the true population mean watermelon weight.

Give your answers as decimals, to two places

_____ ± ____ ounces

Math   Statistics-And-Probability   
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