Question
Let X represent the number of people on the dance floor at any given time. Suppose that the following chart gives the probability that X
Let X represent the number of people on the dance floor at any given time. Suppose that the
following chart gives the probability that X people are on the floor.
| X=x | 0 | 2 | 6 | 18 | 50 |
| P(X=x) | .4 | .1 | .2 | .2 | .1 |
Find the standard deviation of the number of people on the dance floor.
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Global Strategy
Authors: Mike W. Peng
5th Edition
0357512367, 978-0357512364
