probabilities ch 4
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| Probability Experiment | Process which leads to well-defined results call outcomes
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| Outcome | The result of a single trial of a probability experiment
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| Sample Space | Set of all possible outcomes of a probability experiment
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| Event | One or more outcomes of a probability experiment
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| Classical Probability | Uses the sample space to determine the numerical probability that an event will happen. Also called theoretical probability.
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| Equally Likely Events | Events which have the same probability of occurring.
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| Complement of an Event | All the events in the sample space except the given events
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| Empirical Probability | Uses a frequency distribution to determine the numerical probability. An empirical probability is a relative frequency.
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| Subjective Probability | Uses probability values based on an educated guess or estimate. It employs opinions and inexact information.
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| Mutually Exclusive Events | Two events which cannot happen at the same time.
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| Independent Events | Two events are independent if the occurrence of one does not affect the probability of the other occurring
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| Dependent Events | Two events are dependent if the first event affects the outcome or occurrence of the second event in a way the probability is changed.
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| Conditional Probability | The probability of an event occurring given that another event has already occurred
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| Bayes' Theorem | A formula which allows one to find the probability that an event occurred as the result of a particular previous event.
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