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Find the mean and variance

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Reference no: EM131870352

The population of employees in a certain large office building has weights distributed around a mean of 150 pounds, with a standard deviation of 20 pounds. A random group of 25 employees get in the elevator each morning. Find the mean and variance of:

(a) The total weight S.

(b) The average weight I. -

Reference no: EM131870352

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