The probability density function of x x is fx360x 3 fx360x3


Let X be the random variable that represents the life in hours of a certain electronic device. The probability density function of X X is f(x)=360x 3 f(x)=360x3 , 10≤x≤15 10≤x≤15. Find the expected life of this device.

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Basic Statistics: The probability density function of x x is fx360x 3 fx360x3
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