西西河

主题:【文摘】一道有趣的概率题 -- 天下第一银杏树

共:💬28 🌺15 新:
全看分页树展 · 主题 跟帖
家园 应重新选择, 概率变大 1/3 -> 2/3, Monte Carlo verified

i. 不重新选:

猜对汽车概率 1/3

ii. 重新选:

1/3概率: originally you have picked the car, after switching, you loose the car.

2/3概率: originally you have picked the goat, after switching, you gain the car.

-----------

Conclusion: you SHOULD switch!

You can write a simple Monte Carlo program to verify it.

全看分页树展 · 主题 跟帖


有趣有益,互惠互利;开阔视野,博采众长。
虚拟的网络,真实的人。天南地北客,相逢皆朋友

Copyright © cchere 西西河