(Vi, X1 i, X20 satisfy the following assumptions ; in addition, var (u,|X1,, X2,) = 8 and var(X1,) = 2. A random sample of size n = 365 is drawn from the population. Use the formula below to answer the following questions, 2 u 1 1 a m =_ 7 2 2 ' " 1'n">(1,)(2 crX1 Assume that X1 and X2 are uncorrelated. Compute the variance M131. The variance of his 2 _ 6A l (Round yourresponse to ve decimal places) Assume that oorr(X1, X2) = 0.77. Compute the variance of ['91 . The variance of B1is, 6A = 31 (Round yourresponse to ve decimal places)