Answers

2016-03-28T09:59:39+05:30
A . Families having 3 girl chids = 100 i.e . they dont have any boy child so required probability=750-100 /750 = 650/750 = 65/75 = 13/15 B. See 120 famipies dont have any girl child so required probability = 120/750 = 12/75 = 4/25
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