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Salaries for teachers in a particular elementary school district are normally distributed with a mean of $50,000and a standard deviation of $3,580. We randomly survey
Salaries for teachers in a particular elementary school district are normally distributed with a mean of $50,000and a standard deviation of $3,580. We randomly survey 15 teachers from that district. Find the mean and standard deviation of the distribution of sums; round to three decimal places when needed.
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Find the 75th percentile for an individual teacher's salary. Round to the nearest dollar.
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