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AP Statistics Probability Flashcards

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8353598732ProbabilityA number between 0 and 1 that reports the likelihood of the event's occurrence.0
8353598733TrialA single attempt1
8353598734OutcomeValue measured, observed, or reported for an individual instance of the trial2
8353598735complement of A1-P(A)3
8353598736IndependenceIf knowing whether one event occurs does not alter the probability that the other event occurs.4
8353598737Law of Large NumbersLong-run relative frequency of repeated independent events becomes close to actual frequency as number of trials increases.5
8353598738Disjoint (Mutually Exclusive)They share no outcomes in common.6
8353598740Multiplication Rule of Independent EventsP(A) * P(B)7
8353598741Sample SpaceThe collection of all possible outcome values8
8353598742Conditional ProbabilityP(B | A) = P(A intersect B)/P(A)9
8353598743Law of AveragesA flawed way of thinking that if an event doesn't happen for a while that it is due to occur soon.10
8353598747Probability DistributionLists all possible outcomes of a random event and each outcome's probabilities11
8353598748disjointaka mutually exclusive12
8353598749P(at least 1)1-P(none)13
8353598750venn diagrama helpful diagram to draw when you have events that are not mutually exclusive.14
8353598751Two Way TableA table that lists counts for 2 categorical variables that is helpful with conditional probabilities.15
8353598752P(A|B)Probability of event A given that event B occurs.16
8353598753Tree Diagram17

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