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The daily demand (000s) for a newspaper in a small town is listed below along with corresponding probabilities. Demand (x) P(X) 0.05 0.30 0.50 0.15

The daily demand (000s) for a newspaper in a small town is listed below along with corresponding probabilities. Demand (x) P(X) 0.05 0.30 0.50 0.15 a) Find the expected demand and interpret. b) Find the standard deviation of demand

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