
A First Course in Probability (10th Edition)
10th Edition
ISBN: 9780134753119
Author: Sheldon Ross
Publisher: PEARSON
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Transcribed Image Text:Josh has 18 black socks and 12 white socks. Every morning he chooses one sock at random. After he's pulled that one sock out, he chooses another sock at
random and wears them.
Round to four decimal places, 0.XXXX.
a. What is the probability that he chooses first a white sock, then a white sock?
type your answer....
b. What is the probability that he chooses first a black sock, then a black sock?
type your answer.
c. What is the probability that he chooses first a white sock, then a black sock?
type your answer.....
d. What is the probability that he chooses first a black sock, then a white sock?
type your answer.....
e. Therefore, what is the probability that he gets a pair (either two white or two black)?
type your answer.
f. What is the probability that his socks are a mismatch?
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