A random variable that assumes a finite or a countably infinite number of values is called

It may assume either a finite number of values or an infinite sequence of values1 pointcontinuous random variablediscrete random variablerandom variable

Which of the following random variable that take on only a countable number of possibilities?(1 Point)DiscreteNon discreteContinuousAll of the above

What type of variable assumes a countable number of distinct values such as x1, x2, x3, and so on?Multiple choice question.ContinuousDiscreteRandomNormally distributed

The set whose elements are the numbers assigned to the outcomes of a random event or an experiment.*ProbabilityRandom VariableMass functionExpected valueNone of the above

What is the importance of the concept of a random variable ? What do you think is the practical use of the same?