Consider Review Exercise 3.73 on page 108. It involved Y ,
Chapter 5, Problem 4.101(choose chapter or problem)
Consider Review Exercise 3.73 on page 108. It involved Y , the proportion of impurities in a batch, and the density function is given by f(y)=10(1y)9, 0 y 1, 0, elsewhere. (a) Find the expected percentage of impurities. (b) Find the expected value of the proportion of quality material (i.e., nd E(1Y )).(c) Find the variance of the random variable Z =1Y .
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