Question

ind the
800 families having 3 children only were surveyed in a backward
town and following data were collected:
No. of Girls
0
1
2
3
No. of Families 140 320 275 65
I) the probability of all boys
2) at least one girl in the family
3) at least one boy in the family​

Answer 1

Answer:

2 :at least on girl in family