Question

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

What is the probability of having

i) all the boys in the family

ii) at least one girl in the family

iii) at least one boy in the family​

with explanation

Answer 1

Step-by-step explanation:

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