`A` and `B` throw a pair of dice. If `A` throws 9, find `B ' s` chance of throwing a higher number.

A and B throw a pair of dice.If A throws 9 find Bs chance of throwing a higher number.

Two persons A and B throw two dice each. If A throws a sum of 9 then the probability of Y throwing a sum greater than that of A is

A and B throw alternately a pair of dice.A wins if he throws 6 before B throws 7 and B wins if he throws 7 before A throws 6. Find their respective chance of winning,if A begins.

In four throws with a pair of dice,what is the chance of throwing doublets twice at least?

In a simultaneous throw of a pair of dice, find the probability of getting: a doublet of even numbers.