A couple has 6 children, of which 5 are girls and 1 is a boy. The probability (in percentage) of having a girl next, is

10 %

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20 %

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50 %

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100 %

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Solution

The correct option is C $50 %$
Determination of the sex of each child is an independent and exclusive event. So the probability of whether the child will be a boy or a girl is 1 out of 2, or $50 %$ each, in every case.

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