Monday, May 31, 2010

Monday Probability 21: Boys and Girls

A company is holding a dinner for working mothers with at least one son. Ms. Jackson, a mother with two children, is invited. What is the probability that both children are boys?

Answer: 1/3

3 comments:

  1. hey .. nice question..

    the solution is in this book :) ... but I also found the second question interesting.
    You might want to put both the questions together so their difference becomes easier to understand:).. and nice blog .. I will try to visit every monday :)

    ReplyDelete
  2. probability...c++...omg!

    ReplyDelete

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