3. There are 10 distinct pairs of socks in my drawer, all mixed up. What is the probability that I can form a complete pair' by picking four socks at random? Find the distribution function of the number of complete pairs.

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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3. There are 10 distinct pairs of socks in my drawer, all mixed up. What is the probability
that I can form a complete pair' by picking four socks at random? Find the distribution
function of the number of complete pairs.
Transcribed Image Text:3. There are 10 distinct pairs of socks in my drawer, all mixed up. What is the probability that I can form a complete pair' by picking four socks at random? Find the distribution function of the number of complete pairs.
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