Question: For samples of the specified size from the population described, find the mean and standard deviation mean \(\bar{x}\)

The National Weather Service keeps records of rainfall in valleys. Records indicate that in a certain valley, the annual rainfall has a mean of 74 inches and a standard deviation of 16 inches. Suppose the rainfalls are sampled during randomly picked years and \(\mathrm{x}\) is the mean amount of rain in these years. For samples of size 64 , determine the mean and standard deviation of \(\bar{x}\)

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