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12 Cards in this Set
- Front
- Back
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In probability theory, a rule for computing the probability of two (or more) events occurring together whether or not they are independent
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general conjunction rule
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In probability theory, a rule for computing the probability of either of two events whether or not they are mutually exclusive.
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general disjunction rule
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In probability theory, a rule for computing the probability of two independent events occurring together
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restricted conjunction rule
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In probability theory, a rule for computing the probability of either of two mutually exclusive events
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restricted disjunction rule
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probability of a single event
Classical theory (a priori theory) |
The number of "favorable" outcomes divided by the total number of equipossible outcomes.
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probability of a single event
Relative frequency theory |
The number of observed "favorable" outcomes divided by the number of observed outcomes.
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probability of a single event
Subjectivist theory |
Probability is a measure of an individual's confidence. An interpretation of probability that permits different assignments by different evaluators.
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probability of a compound event
Restricted conjunction rule (formula) |
P(A and B) = P(A) x P(B)
P(A and B and C and . . .) = P(A) x P(B) x P(C)) x... |
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probability of a compound event
General conjunction rule (formula) |
P(A and B) = P(A) x P(B given A)
P(A and B and C and ...) = P(A) x P(B, given A) x P(C, given A and B) x .... |
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probability of a compound event
Restricted disjunction rule (formula) |
P(A or B) = P(A) + P(B)
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probability of a compound event
General disjunction rule (formula) |
This rule must be used when the two events are not mutually exclusive (one or the other or both could happen).
P(A or B) = P(A) + P(B) - P(A and B) = P(A) + P(B) - [P(A) x P(B)] |
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Probability calculus
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A set of rules for computing the probability of compound events from the probabilities of simple events
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