9. A school is upgrading its website and will require students to create a password to access their marks online. In order to create secure passwords, students will be required to meet certain conditions. a. Determine the total number of possible 4-character passwords that can be created using each of the following requirements: i. the lower-case letters (a through m inclusive) where letters can be repeated ( ii. the lower-case letters (a through m inclusive), where letters cannot be repeated ( iii. the lower-case letters (a through m inclusive), where the first letter must be a vowel and last letter must be vowel, and where letters can be repeated ( iv. the pattern letter letter - number - number, using the 26 lower case letters of the alphabet, and the digits 0 to 9, where letters and digits can be repeated (1 b. Describe a different set of conditions (i.e. not one mentioned above) that can be used to create a secure 4-character password. Determine the total number of possible passwords that can be created using your conditions. (

9. A school is upgrading its website and will require students to create a password to access their marks online. In order to create secure passwords, students will be required to meet certain conditions. a. Determine the total number of possible 4-character passwords that can be created using each of the following requirements: i. the lower-case letters (a through m inclusive) where letters can be repeated ( ii. the lower-case letters (a through m inclusive), where letters cannot be repeated ( iii. the lower-case letters (a through m inclusive), where the first letter must be a vowel and last letter must be vowel, and where letters can be repeated ( iv. the pattern letter letter - number - number, using the 26 lower case letters of the alphabet, and the digits 0 to 9, where letters and digits can be repeated (1 b. Describe a different set of conditions (i.e. not one mentioned above) that can be used to create a secure 4-character password. Determine the total number of possible passwords that can be created using your conditions. (

Algebra and Trigonometry (MindTap Course List)

4th Edition

ISBN:9781305071742

Author:James Stewart, Lothar Redlin, Saleem Watson

Publisher:James Stewart, Lothar Redlin, Saleem Watson

Chapter14: Counting And Probability

Section14.CT: Chapter Test

Problem 3CT: An Internet service provider requires its customer to select a password consisting of four letters...

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