题目:设随机变量X的概率分布列为P{X = k} = (1/2)^k (k = 1, 2, 3),则P{X ≤ 2} =:
2024-11-13
题目:设随机变量X的概率分布列为P{X = k} = (1/2)^k (k = 1, 2, 3),则P{X ≤ 2} =:
A. 3/4 B. 7/8 C. 15/16 D. 31/32
正确答案:A
试题解析:暂无
题目:设随机变量X的概率分布列为P{X = k} = (1/2)^k (k = 1, 2, 3),则P{X ≤ 2} =:
A. 3/4 B. 7/8 C. 15/16 D. 31/32
正确答案:A
试题解析:暂无