Question #2763
There are 15 boys and 14 girls in a room. Two of
them are selected at random to take a survey. What is
the probability that the two people selected will be girls?
1
Expert's answer
2011-05-17T09:30:59-0400
P =14/(15+14)* 13/(15+13) = 14/29*13/28=13/58

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Comments

Assignment Expert
20.05.16, 21:40

Dear ass. The probability from Answer is correct. The alternative formula C(14,2)/C(29,2) gives the same result, where C(n,r) is the number of combinations without repetition, n is the number of things and we choose r of them

ass
20.05.16, 02:00

Is this even right???????????

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