推 glasslands:是不是少給定單一事件的變異數~~? 02/17 19:55
推 tk747:交大的考古題 02/17 20:33
推 chrisjon:公平的遊戲，所以勝率(p) = 0.5，二項近似常態 ? 02/17 22:43
→ mutanall:X設損失金額($5) P(X>15) X~Bin(50 , 0.5) ?? 02/18 17:42
suppose that you bet $5 on each of a sequence of 50 independent fair games.
use the central limit theorem to approximate the probability that you
will lose more than$ 75.
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使用了CLT之後就不知道要怎麼做了
墾請哪位大大解惑一下^^"
感謝!!
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