Multiplication Rule of Probability: Dependent Events If events A and B are dependent events such that the outcome of A affects the outcome of B, then the probability that "event A followed by event B" happens is P(AB)=P(A)x P(BA) where P(A) is the probability that event A happens and P(BA) is the probability that event B happens after A happened. 1. Josiah draws 2 cards at random from a standard deck of 52 cars without replacement. What is the probability of getting 2 ace cards? 2. Gabriel has a candy box containing 9 chocolate candies and 12 lollipops. If he chooses 2 of them at random, what is the probability that he gets 2 lollipops?

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter9: Counting And Probability
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Multiplication Rule of Probability: Dependent Events
If events A and B are dependent events such that the outcome of A affects the
outcome of B, then the probability that "event A followed by event B" happens is
P(AB) = P(A) xP(B|A)
where P(A) is the probability that event A happens and P(BA) is the probability that
event B happens after A happened.
1. Josiah draws 2 cards at random from a standard deck of 52 cars without replacement. What is the probability
of getting 2 ace cards?
2. Gabriel has a candy box containing 9 chocolate candies and 12 lollipops. If he chooses 2 of them at random,
what is the probability that he gets 2 lollipops?
Transcribed Image Text:Multiplication Rule of Probability: Dependent Events If events A and B are dependent events such that the outcome of A affects the outcome of B, then the probability that "event A followed by event B" happens is P(AB) = P(A) xP(B|A) where P(A) is the probability that event A happens and P(BA) is the probability that event B happens after A happened. 1. Josiah draws 2 cards at random from a standard deck of 52 cars without replacement. What is the probability of getting 2 ace cards? 2. Gabriel has a candy box containing 9 chocolate candies and 12 lollipops. If he chooses 2 of them at random, what is the probability that he gets 2 lollipops?
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