討論串[問題] 機率的問題
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R(n) = 1/4 * R(n-1) + 1/3 * S(n-1),. S(n) = 3/4 * R(n-1) + 2/3 * S(n-1),. 因為市場只有這二家公司完全瓜分, R(n) + S(n) = R(n-1) + S(n-1) = 1. 可得 R(n) = 1/3 - 1/12 * R
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1. a set of 200 people , consisting of 100 men and 100 women ,. is randomly divided into 100 pairs of 2 each. 我想問的是 請問抽出一對是男女配的機率為何??. 我直覺是100/199 可是答
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題目:. Let X1, X2 ,…be independent continuous random variables with a common. distribution function F and density f = F', and suppose that they are to b
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