We write randomly a word of length 4 using the letters from alphabet {a, b, c, d, e}. What is the probability that (a) all letters are different? (b) there are no vowels? (c) the word begins with a vowel?

We write randomly a word of length 4 using the letters from alphabet {a, b, c, d, e}. What is the probability that (a) all letters are different? (b) there are no vowels? (c) the word begins with a vowel?

Name: 5. We write randomly a word of length 4 using the letters from alphab
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Description: 5. We write randomly a word of length 4 using the letters from alphabet {a, b, c, d, e}. What is theprobability that(a) all letters are different?(b) there are no vowels?(c) the word begins with a vowel?[Ans.24/125 = 0, 192; 81/625 = 0, 1296; 2/3 ]

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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