1 sandwich 2 sandwiches d drinks. The joint distribution on the right summarizes e number of sandwiches (X) and drinks (Y) purchased customers. Complete parts (a) through (f). 0.35 0.20 Y 0.10 0 0.25 0.10 Find the expected value and variance of the number of sandwiches. X) = 1.55 Var(X) = 0.2475 ype integers or decimals.) Find the expected value and variance of the number of drinks. Y) = 1.55 Var(Y) = 0.4475 ype integers or decimals.) Find the correlation between X and Y. (Hint: You might find the calculations easier if you use the alternative pression for the covariance.) Orr(X,Y)= ound to three decimal places as needed.) 1 drink 2 drinks 3 drinks

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