TCS
Company
there r 12 children youngest is aboy. find probability of remaining childrens r boys
Read Solution (Total 3)
-
- for other 11 children, each has two possibilities i.e being a boy or girl
so no of possibilities in total are 2*2*2*2*2*2*2*2*2*2*2= 2^11
required is all are boys so only one
prob= 1/(2^11) - 11 years agoHelpfull: Yes(12) No(1)
- for other 11 chidren probability will be
(1/2)^11 - 11 years agoHelpfull: Yes(2) No(2)
- ans) 1/2^11
- 11 years agoHelpfull: Yes(0) No(0)
TCS Other Question