[单选题]
Event X and event Y are independent events. The probability of X is 0.2 [P(X) = 0.2] and the probability of Y is 0.5 [P(Y) = 0.5]. The joint probability of X and Y [P(X, Y] is closest to:
A.0.1
B.0.3
C.0.7
参考答案与解析: