Q20: In economy of any country, women are equally important as men. As
almost 40% population of any country is women , so they should also given
chance to work and to help in improving the economy. The department of
health and family welfare of government of NCR of delhi collected data
related to ratio between male and female children in families.2000 families
with 4 children each were selected randomly and the following data were
recorded
20(i) Compute the probability of a family having 4 girls . *
1 point
Number of girls in a
family
4
3
2
1
0
Number of families
700
350
250
400
300
9/20
7/20
11/20
O 13/20
F.
Answers
Given : data related to ratio between male and female children in families.
2000 families with 4 children
Number of girls in a Number of families
family
4 700
3 350
2 250
1 400
0 300
To Find : the probability of a family having 4 girls
9/20
7/20
11/20
13/20
Solution:
Number of girls in a Number of families
family
4 700
3 350
2 250
1 400
0 300
Total 2000
probability of a family having 4 girls = 700/2000
= 7/20
= 0.35
probability of a family having 4 girls = 7/20
Learn More:
A pair of fair dice is thrown independently four times. The probability ...
brainly.in/question/21757712
A pair of dice is thrown together till a sum of 4 or 8 is obtained. The ...
brainly.in/question/14777415
Answer:
compute the probability of a family having atleast 1girl