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prays. Find
1500 families with 2 children were selected randomly, and the following data were
recorded
* ,
Number of girls in a family
2
1
0
Number of families
475
814
211
Compute the probability of a family, chosen at random, having
0 2 girls
(ii) 1 girl
Also check whether the sum of these probabilities is 1.
(iii) No girl
Answers
Answered by
4
Answer:
Step-by-step explanation:
(i) Number of families having 2 girls =475
Total families =475+814+211=1500
P(2 girls) =
Total families
475
=
1500
475
=
60
19
(ii) P(1 girl)=
1500
814
=
750
407
(iii) P(No girl) =
1500
211
Sum of all these probabilities
=
60
19
+
750
407
+
1500
211
=
1500
475+814+211
=
1500
1500
=1
Sum of these probabilities =1
Answered by
4
Step-by-step explanation:
I know this is no big but please adjust it and mark me as brain list if my answer is right.
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