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Question
Define random variable
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Solution
A random variable (r.v.) is a real-valued function defined on a sample space S and taking values in `(-∞, ∞)` or whose possible values are numerical outcomes of a random experiment.
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Define dicrete random Variable
Describe what is meant by a random variable
Choose the correct alternative:
A variable that can assume any possible value between two points is called
Choose the correct alternative:
If the random variable takes negative values, then the negative values will have
Choose the correct alternative:
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| X = x | – 1 | – 2 | 0 | 1 | 2 |
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