題目:設隨機變量X的分布律P{X=k}=k/15,k=1,2,3,4,5,則P{1/2<X<5/2}= _______.
2024-11-12
題目:設隨機變量X的分布律P{X=k}=k/15,k=1,2,3,4,5,則P{1/2<X<5/2}= _______.
A. 1/5
B. 2/5
C. 1/3
D. 2/3
正確答案:B
試題解析:暫無
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題目:設隨機變量X的分布律P{X=k}=k/15,k=1,2,3,4,5,則P{1/2<X<5/2}= _______.
A. 1/5
B. 2/5
C. 1/3
D. 2/3
正確答案:B
試題解析:暫無