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Monthly demand for a product follows the following probability distribution. Then find the expected demand for...

Monthly demand for a product follows the following probability distribution. Then find the expected demand for the product and also variance.                                                    

Demand

1

2

3

4

5

6

Probability

0.10

0.15

0.20

0.25

0.18

0.12
Math   Statistics-And-Probability   
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