recategorized by
1,875 views

1 Answer

Best answer
2 votes
2 votes
Probability of A winning :

P(A) = Event of A getting head  = 1/2

P(A) + P(A'B'A) + P(A'B'A'B'A) + ...   $\propto$

1/2 + 1/2*1/2*1/2 + 1/2*1/2*1/2*1/2*1/2 + ........   $\propto$      =   2/3

Therefore for B's winning  = 1/3  (1-2/3)

Answer A.
selected by

Related questions

0 votes
0 votes
0 answers
2
Debargha Mitra Roy asked Sep 26, 2023
175 views
Determine the geometric distribution for which the mean is 3 and variance is 4.
2 votes
2 votes
2 answers
4