Suppose X is a binomial random variable such that n = 15 and p = 0.33, then, P(X= 8) is O 0.6781 O 0.8862 O 0.0549 O 0.5000 Câu hỏi 9 P(X is at least 7, (x> 7) is O 0.916 O 0.157 O 0.195 O 0.083 3