Take # of Subjects 20! (20-5)! divided by Using # of subjects in pool by # Subjects selected Use n! = nx/n-1)! to expand the expression 20x 19 x 18 X 17X16X15! 20-56 (151) Subtract 20X19X18X17X16X15! 15! C
Take # of Subjects 20! (20-5)! divided by Using # of subjects in pool by # Subjects selected Use n! = nx/n-1)! to expand the expression 20x 19 x 18 X 17X16X15! 20-56 (151) Subtract 20X19X18X17X16X15! 15! C
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...
Related questions
Question
The first question I have the answer.
The second question is: explain how this compares with 20C5 and 20P5.
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 3 steps with 1 images
Recommended textbooks for you
A First Course in Probability (10th Edition)
Probability
ISBN:
9780134753119
Author:
Sheldon Ross
Publisher:
PEARSON
A First Course in Probability (10th Edition)
Probability
ISBN:
9780134753119
Author:
Sheldon Ross
Publisher:
PEARSON