A survey of 500 families shows the following results:
Numbers of children in the family 1 2 3 0
Number of families
250 125 75 50
Out of these, one family is chosen at random. Find
the probability that the chosen family has 2 children.
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Answer:
The probability that the chosen family has 2 children = 125/400
= 25/80
= 5/16
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