关于概率的数学题a.如果有N个人,其中有一个人跟你生日是同一天的概率是多少?(what is the probabili
关于概率的数学题
a.如果有N个人,其中有一个人跟你生日是同一天的概率是多少?
(what is the probability that in a group of N randomly chosen peope,at least one has the same birthday as you?)
b.找出N的数值,让那个得到的概率约等于0.5.
(find the value of N that makes the probability in part a.approximately 0.5)
a.如果有N个人,其中有一个人跟你生日是同一天的概率是多少?
(what is the probability that in a group of N randomly chosen peope,at least one has the same birthday as you?)
b.找出N的数值,让那个得到的概率约等于0.5.
(find the value of N that makes the probability in part a.approximately 0.5)
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