28) Maria needs to take three physical education classes in order to graduate. Her college has 12 differentphysical education classes she can choose from. How many different ways can Maria pick 3 PEclasses to take?

The formula for combination is nCr = n! / [r! (n – r)!] = [n (n – 1) … (n – r + 1)]/r!. Explanation:…

Answered: Maria needs to take three physical…

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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Maria needs to take three physical education classes in order to graduate. Her college has 12 different physical education classes she can choose from. How many different ways can Maria pick 3 PE classes to take?