Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN: 9780470458365
Author: Erwin Kreyszig
Publisher: Wiley, John & Sons, Incorporated
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11. Socks in a Drawer A drawer contains 11 identical red
socks and 8 identical black socks. Suppose that you
choose 2 socks at random in the dark.
a. What is the probability that you get a pair of red
socks? 0.3216
b.
What is the probability that you get a pair of black
socks? 0.1637
c.
What is the probability that you get 2 unmatched
socks? 0.5146
d.
Where did the other red sock go? It probably got lost
in the wash!
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Transcribed Image Text:11. Socks in a Drawer A drawer contains 11 identical red socks and 8 identical black socks. Suppose that you choose 2 socks at random in the dark. a. What is the probability that you get a pair of red socks? 0.3216 b. What is the probability that you get a pair of black socks? 0.1637 c. What is the probability that you get 2 unmatched socks? 0.5146 d. Where did the other red sock go? It probably got lost in the wash!
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