A steel manufacturer is testing a new additive for manufacturing an alloy of steel. The joint probability mass function of tensile strength (in thousands of pounds/in?) and additive concentration is Tensile Strength Concentration of Additive 200 100 150 0.05 0.06 0.02 0.11 0.04 0.10 0.01 0.08 0.17 0.06 0.04 0.08 0.12 0.08 0.04 0.14 Find µx- a. b. Find µy. Find ox. C. d. Find oy. Find Cov(X,Y). Find Px,Y e. f.

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