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Probability

What is the probability they were correctly matched?

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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Thirteen of your graduation gift thank-you note/envelope pairs were randomly matched without
checking the names. What is the probability they were correctly matched?

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