A computer system uses passwords that have six characters, and each character is one of the 26 letters (a-z) or 10 integers (0-9). The first character has to be a letter. The passwords are not case sensitive. Q 1(a) Determine the proportion of passwords that (iv) begin with a consonant or end with an even number or both Q 1(b) What proportion of passwords consist entirely of the letters up to and incluaing m without any repetition?

A computer system uses passwords that have six characters, and each character is one of the 26 letters (a-z) or 10 integers (0-9). The first character has to be a letter. The passwords are not case sensitive. Q 1(a) Determine the proportion of passwords that (iv) begin with a consonant or end with an even number or both Q 1(b) What proportion of passwords consist entirely of the letters up to and incluaing m without any repetition?

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)

Problem 7E

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