次の二次元確率分布に対し
E (X), E (Y), V (X), V (Y), E (X + Y), E (XY), V (X + Y), Cov (X, Y), ρ(X,Y)
を求めなさい:
P (X = 0, Y = 0) = 1/10, P (X = 0, Y = 1) = 3/10 P (X = 1, Y = 0) = 4/10, P (X = 1, Y = 1) = 2/10
[解答] 工事中