The probability distribution of a certain overhead cost is f(x) = 2(1- x)2, where x is production hours per day. Determine the expected value and variance for this distribution if the number of production hours per day ranges from 4 to 11 hours.

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The Answer of The probability distribution of a certain overhead cost is f(x) = 2(1- x)2, where x is production hours per day. Determine the expected value and variance for this distribution if the number of production hours per day ranges from 4 to 11 hours.

The Probability Distribution of a Certain Overhead Cost Is F(x)