Probability mutually exclusive events worksheet 4. Sep 8, 2025 · Probability is defined as the measure of how likely an event is to happen, usually expressed as a value between zero and one. The probability is a number between 0 and 1; the larger the probability, the more likely the desired outcome is to occur. View all of Khan Academy’s lessons and practice exercises on probability and statistics. Probability can be calculated as: Total outcomes represent the complete set of possible results an event can produce. Whenever we’re unsure about the outcome of an event, we can talk about the probabilities of certain outcomes—how likely they are. Sep 24, 2025 · A probability distribution is a table of all disjoint outcomes and their associated probabilities. Jul 23, 2025 · Probability is the branch of mathematics where we determine how likely an event is to occur. Although there are many distinct probability interpretations, probability theory interprets the concept precisely by expressing it through a set of axioms or hypotheses. Many events can't be predicted with total certainty. For example, tossing a coin twice will yield "head-head", "head-tail", "tail-head", and "tail-tail" outcomes. nxv2o d0wx ao mqbpt 1ef keavf lbwy9sv xq76 czbxf7 uaugq