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For certain ore samples, the proportion Y of impurities per sample is a random variable wich
density function f(y)={29y2+y,0,0y1elsewhere. The doliar value of each sample is W=70.7Y.
Find the mean and variance of W. (Round your answers to four decimal places.) E(W)=. V(W)=

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For certain ore samples, the proportion Y of impurities per sample is.pdf

  • 1. For certain ore samples, the proportion Y of impurities per sample is a random variable wich density function f(y)={29y2+y,0,0y1elsewhere. The doliar value of each sample is W=70.7Y. Find the mean and variance of W. (Round your answers to four decimal places.) E(W)=. V(W)=