摇号概率

摇号概率

by leozcx May 28, 2018

JavaScript

let personPriority = 500
let personTotal = 1500
let housePriority = 38
let houseTotal = 150

let rate = 1- (1 - housePriority / personPriority) * (1 - (houseTotal - housePriority) / (personTotal - housePriority))
let rate2 = (houseTotal - housePriority) / (personTotal - housePriority)

alert('无房摇中的概率为：' + rate + '\n有房摇中的概率为：' + rate2)

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