TOPIC: Combination / Permutation   If w = 5C2, x = 5C3, y = 5C4, z = 5C5, and we are given 5 points on a plane of which no three are collinear, which expression gives the total number of polygons that can be drawn?   a. x + y             b. w + x + y       c. x + y + z        d. w + x + y + z

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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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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TOPIC: Combination / Permutation

 

If w = 5C2, x = 5C3, y = 5C4, z = 5C5, and we are given 5 points on a plane of

which no three are collinear, which expression gives the total number of polygons that

can be drawn?  

a. x + y             b. w + x + y       c. x + y + z        d. w + x + y + z

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