Solution: For samples of the specified size from the population described, find the mean and standard deviation mean x̄ One truck from Lakeland Trucking,
Question: For samples of the specified size from the population described, find the mean and standard deviation mean \(\bar{x}\)
One truck from Lakeland Trucking, Inc. can carry a load of 2851.2 lb. Records show that the weights of boxes that it carries have a mean of \(75 \mathrm{lb}\) and a standard deviation of \(12 \mathrm{lb}\). For samples of size 36 , find the mean and standard deviation of \(\bar{x}\).
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