[閒聊] 一題機率
我覺得應該蠻簡單的
可是我腦袋打結ㄋ
If 20 random numbers are selected independently from the interval (0,1), what
is the approximate probability that the sum of these numbers is at least 8.
為什麼
Var(Xi)=1/12
告訴窩
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推
01/05 02:50, , 1F
01/05 02:50, 1F
→
01/05 02:50, , 2F
01/05 02:50, 2F
→
01/05 02:51, , 3F
01/05 02:51, 3F
推
01/05 02:57, , 4F
01/05 02:57, 4F
→
01/05 02:58, , 5F
01/05 02:58, 5F
→
01/05 03:10, , 6F
01/05 03:10, 6F
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