Question
The weekly demand (in thousands) for a plumber in a city is listed below along with corresponding probabilities. Demand (X) P(X) 1 0.2 2 0.1
The weekly demand (in thousands) for a plumber in a city is listed below along with corresponding probabilities.
| Demand (X) | P(X) |
| 1 | 0.2 |
| 2 | 0.1 |
| 3 | 0.4 |
| 4 | 0.3 |
Show workings for each of your answers.
Find the expected demand and interpret.
Find the standard deviation of demand.
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Precalculus (Subscription)
Authors: Michael Sullivan
9th Edition
0321830695, 9780321830692
