and india wins the toss.............!!!!!!!!!!!!!!!
Level
pending
a coin is tossed 3 times by 2 persons what is the probability that both gets equal no. of heads....?
9/16
3/16
3/8
5/16
7/16
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1 solution
let A and B be 2 persons.
equal no. of heads- 1) no head 2)1 head 3)2 head 4)3 head
no head- 1/2^3=1/8
1 head- 3 1/2^2 1/2=3/8
2 head-3 1/2 1/2^2=3/8
3 head-1 1/2^0 1/2^3=1/8
required probability-1/8 1/8+3/8 3/8+3/8 3/8+1/8 1/8=5/16