Recent content by ank0006

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    Solve Covariance Question: X,Y Means, Variances, Correlation

    Homework Statement Let the random variables X and Y have the joint p.m.f.: f(x,y) = (x+y)/32 x=1,2, y=1,2,3,4. find the means \mux and \muy, the variances \sigma2x and \sigma2y, and the correlation coefficient \rho. Homework Equations \rho=(COV(X,Y))/\sigmax\sigmay The Attempt...