An urn contains 7 red, 3 white, and 6 black balls. One ball is drawn from the urn, it is replaced, and a second ball is drawn. Construct a probability tree to determine the probability that one ball is white W and one is red R. Pr(one W none R) = 3 50 21 Pr(one W none R) = 128 21 Pr(one Wn one R) = 256 7 = 75 Pr(one Wn one R) 2 Pr(one W none R) = 25
An urn contains 7 red, 3 white, and 6 black balls. One ball is drawn from the urn, it is replaced, and a second ball is drawn. Construct a probability tree to determine the probability that one ball is white W and one is red R. Pr(one W none R) = 3 50 21 Pr(one W none R) = 128 21 Pr(one Wn one R) = 256 7 = 75 Pr(one Wn one R) 2 Pr(one W none R) = 25
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.8: Probabilities Of Disjoint And Overlapping Events
Problem 2C
Related questions
Question
![An urn contains 7 red, 3 white, and 6 black balls. One ball is drawn from the urn, it is replaced, and a second
ball is drawn. Construct a probability tree to determine the probability that one ball is white W and one is red
R.
Pr(one W none R) =
21
Pr(one W none R) = 128
Pr(one W none R) =
Pr(one W none R) =
50
Pr(one W none R) =
21
256
7
75](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fadec6c6e-501b-48cc-a2bc-9a336b200c25%2Fcb8b796b-7e71-4bb1-a412-77c3719d7426%2F7ezrx69_processed.png&w=3840&q=75)
Transcribed Image Text:An urn contains 7 red, 3 white, and 6 black balls. One ball is drawn from the urn, it is replaced, and a second
ball is drawn. Construct a probability tree to determine the probability that one ball is white W and one is red
R.
Pr(one W none R) =
21
Pr(one W none R) = 128
Pr(one W none R) =
Pr(one W none R) =
50
Pr(one W none R) =
21
256
7
75
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