Question
Let the probability distribution for X = number of jobs held during the past year by students at a college be as follows: X |
Let the probability distribution for X = number of jobs held during the past year by students at a college be as follows:
X | 1 | 2 | 3 | 4 | 5 |
______________________________________________________________________________________________
P ( X = x ) | 0.25 | 0.33 | 0.17 | 0.15 | 0.10 |
The standard deviation of the number of jobs held is?
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Intro Stats
Authors: Richard D. De Veaux, Paul F. Velleman, David E. Bock
3rd edition
