Federal Government Employee E-mall Use It has been reported that 82% of federal government employees use e-mail. If a sample of 240 federal government employees is selected, find the mean, variance, and standard deviation of the number who use e-mail. Round your answers to three decimal places. Part 1 of 2 (a) Find the mean. Mean: u Part: 1/2 Part 2 of 2 (b) Find the variance and standard deviation. Variance: o Standard deviation: a

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