After studying all night for a final exam, a bleary-eyed student randomly grabs 2 socks from a drawer containing 11 black socks, 8 brown socks, and 4 blue socks, all mixed together. What is the probability that the student grabs a matched pair? The probability of a matched pair is (Type an integer or a simplified fraction.)

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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After studying all night for a final exam, a bleary-eyed student randomly grabs 2 socks from a drawer containing 11 black
socks, 8 brown socks, and 4 blue socks, all mixed together. What is the probability that the student grabs a matched
pair?
The probability of a matched pair is .
(Type an integer or a simplified fraction.)
Transcribed Image Text:After studying all night for a final exam, a bleary-eyed student randomly grabs 2 socks from a drawer containing 11 black socks, 8 brown socks, and 4 blue socks, all mixed together. What is the probability that the student grabs a matched pair? The probability of a matched pair is . (Type an integer or a simplified fraction.)
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