Question

Q7. A survey of 400 families of a town was conducted to find out how many children are there in a
family. The result of the survey is given below:
0
No. of children
1
2
4
3
No. of families
56
62
183
73
26
Find the probability that a family chosen at random will have
i. 4 children
ii. 1 or 2 children​

Answer 1

Answer:

um I think I) 4 children = x = 4x = 400= x= 400/4 = 100 answer. 2) 1 or 2 children = 1+2 = 3x = 400= 400/3 = 133