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20-01-2017
Mathematics

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There are 20 children in the cast of a class play, and 8 of the children are boys. of the boys, 4 have a speaking part in the play, and of the girls, 8 do not have a speaking part in the play. if a child from the cast of the play is chosen at random, what is the probability that the child has a speaking part?

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20-01-2017

The probability that a child with a speaking part is chosen randomly would be 2:5.

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