The manager of a stockroom in a factory has constructed the following probability

Chapter 3, Problem 3.34

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The manager of a stockroom in a factory has constructed the following probability distribution for the daily demand (number of times used) for a particular tool. y 012 p(y) .1 .5 .4 It costs the factory $10 each time the tool is used. Find the mean and variance of the daily cost for use of the tool

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