Practice Questions |
Study Guide, OA Prep &
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, What formula is used for two P(A and B) = P(A) × P(B).
independent events happening
together?
What formula is used for two P(A and B) = P(A) × P(B|A).
dependent events happening
together?
What is an independent event? An event where the first event does NOT change
the probability of the second event.
What is a dependent event? An event where the first event DOES change the
probability of the second event.
What is the easiest question to ask to Does the first event change the probability of the
determine independence? second?
If the first event does not change the Independent.
second event, are they independent
or dependent?
If the first event changes the second Dependent.
event, are they independent or
dependent?
What is a major clue that events are Without replacement because removing an item
dependent? changes what remains.