Question
xThe table below shows the probability distribution of the random variable X. a . Find the mean of the random variable. b . Obtain the
| xThe table below shows the probability distribution of the random variable X. a. Find the mean of the random variable. b. Obtain the standard deviation of the random variable. a. Find the mean of the random variable. = (Round to two decimal places as needed.) b. Obtain the standard deviation of the random variable. = (Round to two decimal places as needed.) | 1 | 2 | 3 | |
|---|---|---|---|---|
| P(X=x) | 0.2 | 0.6 | 0.2 |
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Calculus For Scientists And Engineers Early Transcendentals
Authors: William L Briggs, Bernard Gillett, Bill L Briggs, Lyle Cochran
1st Edition
0321849213, 9780321849212
