[CQ-Contest] CQ WW Packet Use Statement

Rajiv Dewan, N2RD n2rd at arrl.net
Fri Aug 1 18:28:56 EDT 2003

With r people present, the probability that no one shares a birthday is
(1-1/365)(1-2/365)(1-3/365) ... (1-(r-1)/365)

This works out to around 0.5 for 23 people. (assuming rates are the 
same for all days, and 365 days a year)

Raj, N2RD

On Friday, August 1, 2003, at 11:38 AM, K4SB wrote:

> Robert McGwier wrote:
> snipped
>> committees had better go have a long hard look at the classic
>> probability first year section canard called "the birthday
>> problem".
> For  those not familiar with the "birthday problem", I seem to
> remember that if 27 people are present, the odds are better than 90%.
> Been a long time though...
> And never bet against professors!
> ):>
> Ed
Rajiv Dewan, N2RD

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