Probability Distributions
An event’s probability is de?ned as the chance that the event will occur. For example, a weather forecaster might state, “There is a 40 percent chance of rain today and a 60 percent chance that it will not rain.” If all possible events, or outcomes, are listed, and if a probability is assigned to each event, the listing is called a probability distribution. The possible outcomes are listed in Column 1, while the probabilities of these outcomes, expressed both as decimals and as percentages, ar
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