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CBSE Class 12 Math 2023 Outside Delhi Set 1 Solved Paper

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Question : 37 of 38
Marks: +1, -0
Recent studies suggest that roughly 12%12 \% of the world population is left handed.
Depending upon the parents, the chances of having a left handed child are as follows :
A : When both father and mother are left handed :
Chances of left handed child is 24%24 \%.
B : When father is right handed and mother is left handed :
Chances of left handed child is 22%22 \%.
C : When father is left handed and mother is right handed :
Chances of left handed child is 17%17 \%.
D : When both father and mother are right handed :
Chances of left handed child is 9\%.
Assuming that P(A)=P(B)=P(C)=P(D)=  14P(A)=P(B)=P(C)=P(D)=\;\frac{1}{4} and LL denotes the event that child is left handed.
Based on the above information, answer the following questions :
(i) Find P(L/C)P(L / C)
(ii) Find P(L‾/A)P(\overline{L} / A)
(iii) (a) Find P(A/L)P(A / L)
OR
(b) Find the probability that a randomly selected child is left handed given that exactly one of the parents is left handed.
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