The probability distribution of the daily demand for a product is shown below. Demand Probability 0 0.05 1 0.15 2 0.10 3 0.30 4 0.20 5 0.15 6   a. What is the expected number of units demanded per day? B. find variance c. find standard deviation

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Chapter1: Combinatorial Analysis
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The probability distribution of the daily demand for a product is shown below.
Demand Probability
0 0.05
1 0.15
2 0.10
3 0.30
4 0.20
5 0.15
6  

a. What is the expected number of units demanded per day?

B. find variance

c. find standard deviation 

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