We must create a license plate code that consists of 3 letters followed by 2 digits. Pick a code at random. What is the chance that the code doesn’t contain any vowel if (a) Repeats are allowed? (b) Repeats are not allowed?

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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We must create a license plate code that consists of 3 letters followed by 2 digits. Pick a code
at random. What is the chance that the code doesn’t contain any vowel if
(a) Repeats are allowed?
(b) Repeats are not allowed?
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