
Random Variable
A random variable is a numerical value that results from a random event or experiment. It can take on different values based on chance rather than certainty. For example, if you roll a die, the outcome (1, 2, 3, 4, 5, or 6) is a random variable because it varies with each roll. Random variables can be classified as discrete (finite values) or continuous (infinite possibilities, like measuring heights). They are fundamental in statistics and probability, helping us understand and model uncertainty in real-world situations.