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
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.5: The Binomial Theorem
Problem 13E
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The first question I have the answer.
The second question is: explain how this compares with 20C5 and 20P5.
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