Homework Help: math - please help!!

Posted by sally on Saturday, November 19, 2011 at 10:55pm.

A squash match is won when one player wins three games. This situation is often referred to as winning the "best-three-out-of-five" Barbara has a slight edge in winning each game with the odds in favour of 5 to 4
a) what is the probability that maria will win in three straight games?
b) what is the probability of barbara's winning the match?

math - please help!! - Cody, Saturday, November 19, 2011 at 11:15pm
P=favorable outcomes / possible outcomes
5:4 = 5 / (5+4) = 5/9
(5/9)*(5/9)*(5/9) = 125/729, which is as simple as it goes as far as i know.
as for part b,
i am not sure, and so i will refrain from answering because i will likely be wrong
math - please help!! - sally, Saturday, November 19, 2011 at 11:26pm
thank you!

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