a) A marble is chosen at random. If you're told the marble is blue, what is the probability that it has the number 2 on it? b) The first marble is replaced, and another marble is chosen at random. If you're told the marble has the number 1 on it, what is the probability the marble is blue?

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 4ECP: Show that the probability of drawing a club at random from a standard deck of 52 playing cards is...
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A jar contains 5 red marbles, numbered 1 to 5, and 9 blue marbles numbered 1 to 9.
a) A marble is chosen at random. If you're told the marble is blue, what is the probability that it has the
number 2 on it?
b) The first marble is replaced, and another marble is chosen at random. If you're told the marble has the
number 1 on it, what is the probability the marble is blue?
Transcribed Image Text:A jar contains 5 red marbles, numbered 1 to 5, and 9 blue marbles numbered 1 to 9. a) A marble is chosen at random. If you're told the marble is blue, what is the probability that it has the number 2 on it? b) The first marble is replaced, and another marble is chosen at random. If you're told the marble has the number 1 on it, what is the probability the marble is blue?
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