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| the union or intersection of two events |
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| events that have one or more outcomes in common |
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| disjoint or mutually exclusive events |
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| two events that have no outcomes in common |
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| probability of compound events: P(A or B)= |
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| probability of compound events (disjoint): P(A or B)= |
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| consists of all outcomes that are not in A |
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| a collection of distinct objects |
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| probability of the complement of an event: P(Abar)= |
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| the set with no elements; denoted by zeorwithaslashthroughitthingy |
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| the set of all elements under consideration; denoted by U |
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| union of two sets A and B |
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| written as AUB and is the set of all elements in either A or B |
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| intersection of two sets A and B |
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| written as A(upside-down-U)B; is the set of all elements in both A and B |
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| written as Abar; the set of all elements in the universal set U that are not in A |
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| A is a subset of B if every element of set A is also an element of set B |
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| probability of independent events: P(A and B)= |
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| two events in which the occurence of one affects the occurence of the other |
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| the probability that B will occur given that A has occured; written as P(BlineA) |
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| probability of dependent events: P(A and B)= |
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| a variable whose value is determined by the outcomes of a random event |
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| a function that gives the probability of each possible value of a random variable; the sum of all the probabilities in a probability distribution must equal 1 |
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| shows the probabilites of the outcomes of a binomial experiment |
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| if you can draw a vertical line that divides the histogram into two parts that are mirror images |
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| a distribution that is not symmetric |
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