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# CBSE Class 12-science Answered

Assuming the probability of a male birth as 1/2, find the probability that a family of 3 children will have: a) two boys and one girl b) at most two girls
Asked by arjunsah797 | 03 May, 2022, 10:04: AM
Total no. of possible outcomes i.e. n(S) = 23 = 8
(i)
Favorable outcomes = {BBG, BGB, GBB}
No. of favorable outcomes = 3
Probability = 3/8

(ii)
Favorable outcomes = {BBG, BGB, GBB, BBB, GGB, GBG, BGG}
No. of favorable outcomes = 7
Probability = 7/8
Answered by Renu Varma | 04 May, 2022, 12:06: PM

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