Probability Question DEPENDENT AND INDEPENDENT

Mathematics
Tutor: None Selected Time limit: 1 Day

The names of 11 boys and 7 girls have been put in a hat . what is the probability that the first two names chosen will be a boy followed by a girl?

May 27th, 2015

The probability that the boy will be choosen is 11/18.

Then the probability that the girl will be choosen is 7/17.

So, the probability that the first two names chosen will be a boy followed by a girl is 11/18 * 7/17 = 77/306


May 27th, 2015

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May 27th, 2015
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