(Solution Download) The Port Arthur Computer Supply Company knows that 16 of


The Port Arthur Computer Supply Company knows that 16% of its computers will require warranty repairs within one month of shipment. In a typical month, 279 computers are shipped.
a. If x is the random variable representing the number of computers requiring warranty repairs among the 279 sold in one month, find its mean and standard deviation.
b. For a typical month in which 279 computers are sold, what would be an unusually low figure for the number of computers requiring warranty repair within one month? What would be an unusually high figure? (These values are helpful in determining the number of service technicians that are required.)

 







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