2000 families with 2 children were selected randomly. The number of girls in each family is such that 2 girls in each 700 families, 1 girl in 900 families and no girl in 400 families. Then the probability of family, chosen at random, having no girl is ____________ 1 point
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Step-by-step explanation:
Correct option is
A
20
9
P(girl) =
Total
Family With One Girl
=
2000
900
=9/20
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