The number of cell phones per household in a small town (a) Find the mean, variance, and
Question:
(a) Find the mean, variance, and standard deviation of the probability distribution,
(b) Interpret the results.
Transcribed Image Text:
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 the full answer
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Related Book For
Elementary Statistics Picturing The World
ISBN: 9780321911216
6th Edition
Authors: Ron Larson, Betsy Farber
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