Probability - scms
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| experiment | an activity in which results are observed
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| trial | observation of an experiment
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| outcome | a possible result of an experiment
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| sample space | all possible outcomes of an experiment
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| event | any set of one or more outcomes
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| probability | a number from 0 to 1 (0% to 100%) that describes how likely an event is to occur
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| impossible | an event that can never happen - probability is 0%
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| certain | an event that is sure to happen - probability is 100%
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| experimental probability | ratio of the number of times an event occurs to the total number of trials
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| theoretical probability | ratio of the number of equally likely outcomes in an event to the total number of possible outcomes
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| equally likely | outcomes that have the same probability
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| fair | all outcomes of an experiment are equally likely
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| mutually exclusive | two event that cannot occur in the same trial of an experiment
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| disjoint event | two event that cannot occur in the same trial of an experiment
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| compound event | an event made up of two or more simple events.
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| independent event | events for which the outcome of one event does not affect the probability of the other
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| tree diagram | a branching diagram that shows all possible combinations or outcomes of an event
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| Fundamental Counting Principles | if one event has m possible outcomes and a second event has n possible outcomes after the first event has occured, then there are m.n total possible outcomes for the two events
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| Addition Counting Principles | If one group contains m objects and a second group contains n objects, and the groups have no objects in common, then there are m+n total objects to choose from
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Created by:
susan.a.kesler
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