OpenStudy (anonymous):

Jennie purchased 5 of the 200 tickets at the raffle. There will be two drawings for a prize. What is the probability that Jennie will win both of the prizes

2 years ago
OpenStudy (thelittlemerpmaid):

10/200 simplify the fraction and that's your answer

2 years ago
OpenStudy (danjs):

the first one has 200 total to choose from the second one has 199 to choose from

2 years ago
OpenStudy (thelittlemerpmaid):

wait i did that wrong didnt i xD

2 years ago
OpenStudy (danjs):

Probability of the first draw, 5/200, if she wins, the probability of the second draw will be 4/199 so what is both together, winning 2 draws in a row?

2 years ago
OpenStudy (jjuden):

4/199

2 years ago
OpenStudy (jjuden):

1/40

2 years ago
OpenStudy (jjuden):

both are correct

2 years ago
OpenStudy (danjs):

----

2 years ago
OpenStudy (danjs):

http://www.mathsisfun.com/combinatorics/combinations-permutations.html That shoudl help

2 years ago
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