p=80% (chance of winning a game)

n=5 (number of games)

What is the probability that you will win at least 4 games (find the probability that x is greater than or equal to 4).

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- Nov 7th 2008, 05:51 AMJohhnySDProbabilty Question
p=80% (chance of winning a game)

n=5 (number of games)

What is the probability that you will win at least 4 games (find the probability that x is greater than or equal to 4). - Nov 7th 2008, 06:26 AMSoroban
Hello, JohhnySD!

This is a Binomial probability.

Quote:

p = 80% (chance of winning a game)

n = 5 (number of games)

What is the probability that you will win at least 4 games?

"Win at least 4 games" means "Win 4 games or Win 5 games."

. .

. .

Therefore: . %

- Nov 7th 2008, 06:43 AMJohhnySD
thank you so much!!

- Nov 8th 2008, 08:41 AMCaptainBlack