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MATH 103 - Chapter 28
Vocabulary
13
Mathematics
Undergraduate 1
12/11/2010

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Term
multistep experiment
Definition
an experiment where there is more than one step to take into account
Term
tree diagram
Definition
a visual representation that is used to generate all of the possible outcomes in an experiment
Term
uncondensed tree diagram
Definition
when each outcome is specifically written with respect to the number of one type of outcome
Term
condensed tree diagram
Definition
a tree diagram where only one of the type of outcome is expressed
Term
addition rule for probability
Definition
P(A or B) = P(A) + P(B) - P(A and B)
Term
"or"
Definition
union, U, addition
Term
"and"
Definition
intersection, upside down U, multiplication
Term
disjoint / mutually exclusive
Definition
it is impossible for the events to happen simultaneously
Term
equation for P(A and B) when A and B are independent
Definition
P(A and B) = P(A)*P(B)
Term
contingency table
Definition
a table showing outcomes for two (or more) events
Term
conditional probability
Definition
probability when one event is contingent (dependent) on another event's occurrence
Term
conditional probability equation
Definition
P(A|B) = P(A and B) / P(B)
Term
A and B are independent, then P(A|B) = ?
Definition
P(A|B) = P(A)
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