Question: The number of cell phones per household in a small town (a) Find the mean, variance, and standard deviation of the probability distribution, (b) Interpret

The number of cell phones per household in a small town

(a) Find the mean, variance, and standard deviation of the probability distribution,
(b) Interpret the results.

Cell hones023 56 Probability 0.020 0.140 0.272 0.292 0.1680.076 0.032

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a xPx 2804 28 2 x 2 Px 1734 17 2 1734 13 b The mean is 28 so the average number of cellular phones per household is about 3 The standard deviation is 13 so most of the households differ from the mean by no more than about 1 cellular phone ... View full answer

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