Suppose that Y1, Y2,..., Y40 denote a random sample of measurements on the proportion of
Chapter 7, Problem 7.96(choose chapter or problem)
Suppose that Y1, Y2,..., Y40 denote a random sample of measurements on the proportion of impurities in iron ore samples. Let each variable Yi have a probability density function given by f (y) = 3y2, 0 y 1, 0, elsewhere. The ore is to be rejected by the potential buyer if Y exceeds .7. Find P(Y > .7) for the sample of size 40.
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