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AP Statistics TPS5e Chapter 5 - probability
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Aligned to The Practice of Statistics (Starnes, Tabor, Yates, Moore) 5th edition
Terms in this set (14)
complementary events
two disjoint events that together make up the entire sample space
P(at least 1)
1- P(none)
mutually exclusive events (disjoint events)
events that can't happen at the same time
A ∩ B
A intersect B; the outcomes that are in A and that are also in B
Independent events
the probability of one occurring does not affect the probability of the other; P(A) = P(A|B)
The Law of Large Numbers
As the number of trails increases, the proportion of times a specific outcome occurs approaches a single value
outcome
the possible result of a situation or experiment
event
a single outcome or a group of outcomes
sample space
the set of all possible outcomes
probability
the numerical value from 0 to 1 that measures the likelihood of an event;
P(event) = (number of favorable outcomes) ÷ (number of possible outcomes)
trial
in probability, a single repetition or observation of an experiment
probability model or probability distribution
identifies all possible outcomes and the corresponding probability of each possible outcome
A ∪ B
A union B; ; the outcomes that are in A or B (or both)
conditional probability, P(A|B)
The probability that A occurs, given that B has occurred
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