ProbabilityHard
Question
A and B toss a coin alternatively on the understanding that the first who obtains tail wins. If A starts, what is his chance of winning ?
Options
A.2/3
B.1/3
C.1/4
D.3/4
More Probability Questions
Entries of a 2 × 2 determinant are chosen from the set {-1, 1}. This probability that determinant has zero value is...A box has four dice in it. Three of them are fair dice but the fourth one has the number five on all of its faces. A die...A committee consists of 9 experts taken from three colleges, A, B and C; of which 2 are from A,3 from B and 4 from C. If...If from each of the three boxes containing 3 white and 1 black, 2 which and 2 black, 1 which and 3 black balls, one ball...An urn contains nine balls of which three are red, four are blue and two are green. Three balls are drawn at random with...