Take it as:
P(atleast 2) = 1-P(no 2 have same b'day) = 1- ((365C50)/50!)
where C represents the combinations

On Wed, Aug 17, 2011 at 6:14 PM, sukran dhawan <[email protected]>wrote:

> can yo explain it pl?
>
>
> On Wed, Aug 17, 2011 at 6:11 PM, Aditya Jain <[email protected]> wrote:
>
>> Is that exactly 2 or atleast 2?
>>
>> P(atleast 2)=1-P(no 2 people )=1-(364*363*362*.........*317/365^49)
>>
>>
>>
>>
>>
>> On Aug 17, 5:24 pm, priya ramesh <[email protected]>
>> wrote:
>> > nothing is specified. I guess it's 365
>>
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-- 
Romil

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