Answered: three letters of the English alphabet…

three letters of the English alphabet are selected at random, what is the probability of getting at least one letter x? (Letters can be used more once.)

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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Question

If three letters of the English alphabet are selected at random, what is the probability of
getting at least one letter x? (Letters can be used more once.)

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Expert Solution

Step 1: Given:

the total number of possible outcomes when selecting 3 letters at random with replacement is $26 cubed$

so, Total possible outcomes $equals 17576$

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Solved in 3 steps with 5 images

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