求教抽股票的一個數學問題 - 股票
By Olive
at 2019-12-25T20:45
at 2019-12-25T20:45
Table of Contents
故事是這樣的今天抽了一張股票
然後我妹聽說了也抽了
然後我就在想一簡單的數學問題
一個人假設是5%的中籤率
兩個人抽到的機率是多少呢
剛剛問營業員學弟
他很認真的說那就10%阿廢話
我想了一下好像也是機率兩倍咩
但是我就問他那21個一起人抽
機率不就105%必中股票嗎
但是我們都知道有可能21個人
都不中
他也發現好像不是這樣
請問各位數學專家的大大
機率到底是多少啊哈哈
認真發問
已經想一個下午了
--
然後我妹聽說了也抽了
然後我就在想一簡單的數學問題
一個人假設是5%的中籤率
兩個人抽到的機率是多少呢
剛剛問營業員學弟
他很認真的說那就10%阿廢話
我想了一下好像也是機率兩倍咩
但是我就問他那21個一起人抽
機率不就105%必中股票嗎
但是我們都知道有可能21個人
都不中
他也發現好像不是這樣
請問各位數學專家的大大
機率到底是多少啊哈哈
認真發問
已經想一個下午了
--
Tags:
股票
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