probability Flashcards

(5 cards)

1
Q

what is the sample space (Ω)

A

the set of all outcomes

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2
Q

what is an event

A

a subset of the sample space (Ω)

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3
Q

what are the 3 axioms

A

Axiom 1 : For every event A, P(A) 0
Axiom 2 : P(Ω) = 1
Axiom 3 : If events A1, A2, A3,… are disjoint, then
P(A1 [ A2 [ A3 [ ···) = P(A1) + P(A2) + P(A3) + ··· .

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4
Q

what is the power set

A

the set of all possible subsets

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5
Q
A
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