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

In a single throw of a die if x denotes the number on its upper face lthe mean of x is (k)/(2) what will be the value of k?

In a single throw of two dice, find: P (a number > 4 on each die ).

Two dice are thrown simultaneously. If X denotes the number of sixes. Find the mean (expectation) of X.

In a single throw of a dice, find the probability of getting : 8

In a single throw of two dice, find: P (a total > 8).

A pair of dice is thrown and X denotes the sum of the numbers on uppermost faces. Then the expected value of X is

In a single throw of two dice, find: P (a total of 8 or 9).

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