CIVL 3103 – Approximation and Uncertainty
نویسندگان
چکیده
2. A SMIDGEON ABOUT PROBABILITY AND EVENTS Wisdom ofttimes consists of knowing what to do next. – Herbert Hoover DEFINITIONS Experiment – any action or process that generates observations (e.g. flipping a coin) Trial – a single instance of an experiment (one flip of the coin) Outcome – the observation resulting from a trial (“heads”) Sample Space – the set of all possible outcomes of an experiment (“heads” or “tails”) Event – a collection of one or more outcomes that share some common trait Mutually Exclusive Events – events (sets) that have no outcomes in common. Independent Events – events whose probability of occurrence are unrelated VENN DIAGRAMS Venn diagrams are graphical representations of events. A rectangle is used to represent the sample space and closed curves are used to represent events (sets) inside the sample space:
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