B. Find the value of n: (n+3)t 1. (n+1)! = 20

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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B. Find the value of n:
1.
(n+1)!
(n+3)!
= 20
2.
(n-1)!
= 4
n!
3. 3P(n, 4) = P(n – 1,5)
4. C(n,2) = 66
5. „P3 = 6[ nCs]
Transcribed Image Text:B. Find the value of n: 1. (n+1)! (n+3)! = 20 2. (n-1)! = 4 n! 3. 3P(n, 4) = P(n – 1,5) 4. C(n,2) = 66 5. „P3 = 6[ nCs]
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