Real-World Probability
ISEE Lower Level · Flashcards · Recall
ISEE LOWER LEVEL · FLASHCARDS
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QUESTION
What is the complement rule for an event
A
A
A
?
QUESTION
What inequality must any probability
P
(
A
)
P(A)
P
(
A
)
satisfy?
QUESTION
What is the formula for probability when outcomes are equally likely?
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ANSWER
P
(
A
)
=
favorable outcomes
total outcomes
P(A)=\frac{\text{favorable outcomes}}{\text{total outcomes}}
P
(
A
)
=
total outcomes
favorable outcomes
. When all outcomes are equally likely, probability is the ratio of favorable to total outcomes.
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