SOLUTION: According to Nielson Media Research, 75% of all U.S households have cable television. In a random sample of 300 households determine the mean and the standard deviation.

Question 472098: According to Nielson Media Research, 75% of all U.S households have cable television. In a random sample of 300 households determine the mean and the standard deviation.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
According to Nielson Media Research, 75% of all U.S households have cable television. In a random sample of 300 households determine the mean and the standard deviation.
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mean = np = 300*0.75 = 225
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std = sqrt(npq) = sqrt(225*0.25) = 7.5
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Cheers,
Stan H.
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