Suppose that you roll a fair die 5 times. What is the probability of getting at least three 1’s?

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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Suppose that you roll a fair die 5 times. What is the probability of getting at least three 1’s? 

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Step 1

The sample space for rolling a die is

S = { 1, 2, 3, 4, 5, 6 }

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