Three six-sided dice are rolled together. a. What is the probability that all three numbers will be the same? b. What are the odds that none of the numbers are a six?

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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Three six-sided dice are rolled together. a. What is the probability that all three numbers will be the same? b. What are the odds that none of the numbers are a six?
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Step 1

There are 6 outcomes for the event rolling of a one-sided die.

The definition of probability is the ratio of favorable outcomes of the event to the total number of outcomes.

For the complement of the event F

n(F')=Total number of outcomes-n(F)

n(F) is the number of outcomes of the event F

n(F') is a number of outcomes of an event F'

 

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