Consider the PINS made from exactly three symbols chosen from the 26 letters of the alphabet with repetitions allowed. What is the probability that a randomly chosen PIN contains a repeated symbol?

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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23
Consider the PINS made from exactly three symbols chosen from the 26 letters of the alphabet
with repetitions allowed. What is the probability that a randomly chosen PIN contains a
repeated symbol?
O 11.24%
O 12.67%
88.76%
14.79%
Transcribed Image Text:23 Consider the PINS made from exactly three symbols chosen from the 26 letters of the alphabet with repetitions allowed. What is the probability that a randomly chosen PIN contains a repeated symbol? O 11.24% O 12.67% 88.76% 14.79%
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