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 | 3rd May, 2022, 10:04: AM

Expert Answer:

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 | 4th May, 2022, 12:06: PM