1.A company trying to decide which 3 colors to include in a promotional mini box of 3 crayons. They can choose 3 mini box colors from 75 colors. How many mini boxes are possible? 2. Pizza parlor has a choice of 11 toppings. How many different 7-topping pizzas are possible?

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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1.A company trying to decide which 3 colors to include in a promotional mini box of 3 crayons. They can choose 3 mini box colors from 75 colors. How many mini boxes are possible?

2. Pizza parlor has a choice of 11 toppings. How many different 7-topping pizzas are possible?

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1)

Combination Rule:

There are n different items and r number of selections, the selections are made with replacement, then the number of different combinations is:

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