Question: (Multiple Choice) - must show work for this question, including the formulas you use to arrive at the answer, if any. 3. The probability distribution

(Multiple Choice) - must show work for this question, including the formulas you use to arrive at the answer, if any.

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3. The probability distribution for the number of cell phones per household in a small town is shown below. Cell phones 0 1 2 3 4 5 6 Probability 0.020 0.140 0.272 0.292 0.168 0.076 0.032 Which of the choices below correctly states the mean and the standard deviation for this probability distribution? (a) u = 0.5,0 = 1.4 (b) u = 2.8,0 = 1.3 (c) u = 1.3,0 = 2.8 (d) u = 1.3,0

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