There are total ways to select a first-prize winner, a second-prize winner, and a third-prize 100x99x98 20X19X18 20x3! 201
There are total ways to select a first-prize winner, a second-prize winner, and a third-prize 100x99x98 20X19X18 20x3! 201
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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Transcribed Image Text:Question 2
There are total
ways to select a first-prize winner, a second-prize winner, and a third-prize winner from 20 different people who have entered a contest.
100x99x98
20X19X18
20x3!
20!
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