Abstract
A random variable is a mathematical tool for describing an event. It maps the possible outcomes of an event onto a number line as shown below. The Venn diagram shows the sample space with events A and B. These are mapped onto a number line to aid in mathematical calculations.
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Reference
Ang, A. H.-S., & Tang, W. H. (2007). Probability concepts in engineering: Emphasis on applications to civil and environmental engineering (2nd ed.). New York: Wiley.
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Moss, R.E.S. (2020). Random Variables and Probability Distributions. In: Applied Civil Engineering Risk Analysis. Springer, Cham. https://doi.org/10.1007/978-3-030-22680-0_4
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DOI: https://doi.org/10.1007/978-3-030-22680-0_4
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