題目：若隨機變量X服從二項分布B(n, p)，且E(X) = 10，D(X) = 8，則n和p的值分別為
A. n = 5, p = 0.4 B. n = 10, p = 0.2 C. n = 25, p = 0.4 D. n = 20, p = 0.5

正確答案：C

試題解析：暫無