Suppose X is the number of tails occurred when three fair coins are tossed once simultaneously. Find the values of the random variable X and number of points in its inverse images.

Suppose two coins are tossed once. If X denotes the number of talls (i) write down the sample space (ii) find the inverse image of 1 (iii) the values of the random variable and number of elements in its inverse images .

Suppose two coins are tossed once if X denotes the number of heads .find The valuses of the random variable and the number of elements in its inverse image

In a pack of 52 playing cards, two cards are drawn at random simultaneously. If the number of black cards drawn is a random variable, find the values of the random variable and number of points in its inverse images.

Find the total number of outcomes where 6 coins are tossed once.

Three fair coins are tossed simultaneously. Find the probability mass function for number of heads occurred.

An urn contains 5 mangoes and 4 apples. Three fruits are taken at random. If the number of apples taken is a random variable, then find the values of the random variable and number of points in its inverse images.

In a pack of 52 playing cards two cards are drawn at random simultaneously if the number of black cards drawn is a ranodm variable find the valties of the random variable and number of points in its inverse images

A six sided die is marked '2' on one face, '3' on two of its faces, and '4' on remaining three faces. The die is thrown twice. If X denotes the total score in two throws, find the values of the random variable and number of points in its inverse images.

Two fair coins are tossed simultaneously Find the probability mass function for number of tails occurred