[ExI] logic puzzle

[BillK]

On Wed, 30 Jan 2019 at 14:57, spike wrote:
<snip>
> (OK, I follow them up to this point.)
>
> Since ABAAX is dependent on the outcome of 4 games instead of 5, it is twice as likely to occur and can be treated as two possibilities.
> (!)
> (Indeed?)
> (If so, I need to understand the heck outta this concept, otherwise I will miss every one of these.)
>
>

There is a solutions pdf that explains the probabilities in more detail.
Page down to Problem 18.
<http://hub.wastudentmath.org/TestFiles/Amc10/Amc10_2005_Individual_0.10_A_A.pdf>

BillK


BillK