(Step-by-Step) Thirty-nine packages are randomly selected from packages received by a parcel service. The sample has a mean weight of 10.0 pounds and a
Question: Thirty-nine packages are randomly selected from packages received by a parcel service. The sample has a mean weight of 10.0 pounds and a standard deviation of 1.6 pounds. What is the 98% confidence interval for the true mean weight, μ, of all packages received by the parcel service?
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