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A random variable is a function that assigns unique numerical values to all possible outcomes of a random experiment.

A real valued function defined on a sample space of an experiment is also called random variable.

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Q: What is a random variable?
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Related questions

Is the gender of college students a discrete random variable a continuous random variable or not a random variable?

It is a discrete random variable.


When random variable is variable?

When it is random it is variable.


Is the random variable x equals 1 be stated that the random variable is discrete?

If x = 1 then X is not really a random variable but a constant.


What the deference between variable and variate?

A random variate is a particular outcome of a random variable: the random variates which are other outcomes of the same random variable would have different values.


Can the Poisson distribution be a continuous random variable or a discrete random variable?

True


A variable whose value is a numerical outcome of a random phenomenon is called?

random variable.


Is the expected value of a discrete random variable equal to the mean of the random variable?

yes?


What is the difference between random variable and random variate?

Random variables is a function that can produce outcomes with different probability and random variates is the particular outcome of a random variable.


What type of variable has an unpredictable impact on the dependent variable?

A random variable.


What is the probability that the random variable has a value less than 5?

That depends on the rules that define the random variable.


Random variable that can take any numeric value within a range of values?

continuous random variable


What is the definititon of a discrete random variable?

The discrete random variable almost always arises in connection with counting.