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In a class, there are 15 boys and 10 girls. Three students are
selected at random. The probability that 1 girl and 2 boys are
selected, is:

Answers were Sorted based on User's Feedback



In a class, there are 15 boys and 10 girls. Three students are selected at random. The probability..

Answer / md.vali hasan

total ways to select three people is 25C3.
2 boys can be selected by 15C2 ways.
1 girl can be selected by 10C1 ways.
so probability of 1 girl and 2 boy are selected is-
15C2*10C1/25C3 = 0.456 .

Is This Answer Correct ?    21 Yes 2 No

In a class, there are 15 boys and 10 girls. Three students are selected at random. The probability..

Answer / kannan.j

For 1 girl is 1/25 and for 2 boys 2/25

Is This Answer Correct ?    4 Yes 22 No

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