2. Given below is a bivariate distribution for the random variables x and y, where x is the number of car sales in a year for Car Dealership 1 and y is the number of car sales in a year for Car Dealership 2. The covariance of x and y is . f(x,y) .2 50 80 .5 30 50 .3 40 60 64 87 96 102

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