In a single throw of a dice; if `X` denotes the number on its upper face. Find the mean of `X`.

If X denotes the number of sixes in throwing two dice, find the expectation of x

In a single throw of two dice .Find the probability of doublet ?

Two dice are thrown simultaneously.If X denotes the number of sixes,find the expectation of X .

Two dice are thrown . Find the probability of the following events The number on the upper face of the second die is greater than the number on the upper face of the first die

In a single throw of two dice, detemine the probability of not getting the same number on the two dice.

Two dice are thrown at a time, find the probability that the sum of the numbers on the upper faces of the dice is equal to 3.

Two dice are thrown , find the probability of getting . (a) The sum of the number on their upper faces is at least 10 . (b) The sum of the numbers on their upper faces is divisible by 5. (c) The number on upper face of the first die is gireater than the number on upper face of the second die .

Let a pair of dice be thrown and the random variable X be the sum of the numbers that appear on the two dice.Find the mean or expectation of X.

Two dice are rolled simultaneously. Find the probability that (i) the sum of the numbers on their upper faces is at the most 5. (ii) the sum of the numbers on their upper faces is at least 6.