The proportion of impurities X in a certain copper ore sample is a random variable having probably density function

f(x) = 12x^2(1-x) 0<=x<=1

To find the expectation, do I just integrate xf(x) from 0 to 1?

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- Apr 5th 2010, 01:59 PMSterlingMRandom Variable Expectation
The proportion of impurities X in a certain copper ore sample is a random variable having probably density function

f(x) = 12x^2(1-x) 0<=x<=1

To find the expectation, do I just integrate xf(x) from 0 to 1? - Apr 5th 2010, 02:08 PMpickslides