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Understanding random variables

If S is an example space with a probability calculate and X is actual valued meaning defined above the basics of S, next X is known as random variable. A random changeable is also called a chance variable or a stochastic variable. Random variables are used in the learn of probability. They were developed to help the study of games of option, stochastic actions, and outcome of technical experiments. By capture only the arithmetical property required to answer probabilistic questions.

Definition Discrete Random Variable
If a random variable takes single a finite or a countable integer of values, it is called a discrete random variable, to use variable calculator. You can also get help with formula for area of a trapezoid
Types of Random variables

Discrete Random variable
Continuous Random variable