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1. |
The demand of products per day for three days are 21, 19, 22 units and their respective probabilities are 0.29, 0.40, 0.35. The profit per unit is $0.50 then the expected profits for three days are |
A. | 21, 19, 22 |
B. | 21.5, 19.5, 22.5 |
C. | 0.29, 0.40, 0.35 |
D. | 3.045, 3.8, 3.85 |
Answer» E. | |