[Lign251] Regarding question 3 on HW2

[Rebecca Colavin]

Woah. I thought k was the number of flips. So the number of flips must be 
equal or higher than the number of successes otherwise how can k be a member of 
the set {r, r+1, r+2...}. Number of failures should be k-r?. The number of 
failures could be less than the number of successes, surely?

Sorry to be dense.

R


On Sun, 14 Oct 2007, Roger Levy wrote:

> Hi Alex (and everyone),
>
> Alex Del Giudice wrote:
>>
>> I'm having a bit of trouble with question 3.  I think I have a solution
>> IF I assume that k is the number of failures, but this isn't specified
>> in the question.
>
> Yes, this is right -- k is the number of failures.  Apologies for not
> specifying this more clearly!
>
> Roger
>
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