A discrete random variable is a type of random variable that can take on a countable set of distinct values. Common examples include the number of children in a family, the outcome of rolling a die, ...

If S is the set of all binary sequences of size 4. The function that counts the number of 1's is a random variable. The range of X will be {1, 2, 3, 4}, as it can ...

- A discrete random variable defined as function that maps the sample space to set of real values - Random variables can take values that are not in the sample space too but they will be mapped to the ...

A random variable that can take only a certain specified set of individual possible values-for example, the positive integers 1, 2, 3, . . . For example, stock prices are discrete random variables, ...