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.


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