Re: probability question

In article <43d664f9$0$45117$892e7fe2@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>, "Ben Luden" <invalid@xxxxxxxxxxx> writes:
>
> "Mkajuma" <mboghom@xxxxxxxxxxxxxx> wrote in message
> news:xYsBf.1666$wk5.1476@xxxxxxxxxxxxxxxx
>>I guess it is uniform.
>> Thanks.
>
> It has to be uniform, Poisson doesn't apply in this case.
> 1st guy is there 1/6 of the time, and the second is there 1/6 of the time.
> So the chances of meeting are 1/36 or about 2.8%

Probability is (roughly) 1/6 for the 1st guy to arrive while the 2nd
guy is waiting.

Probability is (roughly) 1/6 for the 2nd guy to arrive while the 1st
guy is waiting.

Those cases are disjoint. Either will result in a successful meeting.
The probabilities add. They do not multiply.

This line of attack seems fraught with peril. The edge cases (what
happens when someone arrives between 1:50 and 2:00) seem particularly
tricky to get right with this method of analysis.

.

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