Probability of 4 person choosing on 1 item?

In a sprorts quiz , each participant is required to answer an question , 2 , of which are on badminton, 3 on soccer. They are required to pick their own question randomly. for each participant, what is the probability that she will be the first to pick a question on banminton?

the ans is 0.3 how to do this?

asked Jul 26, 2014 in PRECALCULUS by anonymous

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Probability of 4 person choosing on 1 item?

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