1. Of the 10-letter passwords formed from A to Z, allowing repeats, I pick one at random. Determine the following probabilities. (a) Prob (My word begins or ends with the letter A) (b) Prob (My word begins with A and includes exactly two vowels) Leave your probabilities in terms of m", P", and factorials; the vowels are А, Е, I, О, U.

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter2: The Integers
Section2.7: Introduction To Coding Theory (optional)
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1. Of the 10-letter passwords formed from A to Z, allowing repeats, I pick one at
random. Determine the following probabilities.
(a) Prob (My word begins or ends with the letter A)
(b) Prob (My word begins with A and includes exactly two vowels)
Leave your probabilities in terms of m", Pm, and factorials; the vowels are
А, Е, I, О, U.
Transcribed Image Text:1. Of the 10-letter passwords formed from A to Z, allowing repeats, I pick one at random. Determine the following probabilities. (a) Prob (My word begins or ends with the letter A) (b) Prob (My word begins with A and includes exactly two vowels) Leave your probabilities in terms of m", Pm, and factorials; the vowels are А, Е, I, О, U.
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