题目:设随机变量X的概率分布列为P{X = k} = k/20 (k = 1, 2, 3, 4),则P{X ≤ 3} =:
2024-11-13
题目:设随机变量X的概率分布列为P{X = k} = k/20 (k = 1, 2, 3, 4),则P{X ≤ 3} =:
A. 3/5 B. 7/10 C. 9/10 D. 19/20
正确答案:D
试题解析:暂无
题目:设随机变量X的概率分布列为P{X = k} = k/20 (k = 1, 2, 3, 4),则P{X ≤ 3} =:
A. 3/5 B. 7/10 C. 9/10 D. 19/20
正确答案:D
试题解析:暂无