Questions
If birth to a male child and birth to a female child. are equal probable, then what is the probability that atleast one of the three children born to a couple is male ?
detailed solution
Correct option is B
S = {BBB, BBG, BGB,GBB,GGB,GBG, BGG,GGG}and E = {BBB, BBG, BGB, GBB, GGB, GBG, BGG}n(E)=7and n(S)=8∴ P(E)=n(E)n(S)=78Talk to our academic expert!
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Two numbers b and c are chosen at random (with replacement from the numbers 1,2,3,4,5,6,7,8 and 9). The probability that for all is
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