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Que. 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
Correct Answer:3.045, 3.8, 3.85
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