Assume that a password must be at least 8 characters long and include at least 1 digit and at least 1 special character.  If people form their password by taking an English word of exactly 6 letters (assume that this password is not case-sensitive) and then adding (in either order) a digit and a special character, how many passwords would be possible?

Q: 1. An optometry clinic's office is instituting a new system for patient identification numbers.…

A: Given, There are 6 characters in patient identification numbers. Note: Hey, since there are multiple…

Q: For some particular website, the password must start with one of the letters A, B, or C. Then there…

A:

Q: supermarket wants to send codes for $0.25 off a bag of chips to its rewards program members. Each…

A: Given, a supermarket wants to send codes for $0.25 off abag at chips to its rewards program…

Q: 4.aJuaquin is picking a code for his computer password. His password must contain 3 letters and 4…

A:

Q: For some particular website, the password must start with one of the letters W, X, Y, or Z. Then…

A: We have 10 digits and 26 alphabets in totalFor first letter we have 4 possible choices (W,X,Y, or…

Q: Allowing (or requiring) users to use numerical digits (including 0) and one of 28 “special…

A:

Q: A computer password must be eight characters long. How many passwords are possible if only the 26…

A: Given Total no.of alphabets=26No.of characters long =8

Q: An island is considering adding another character to their vehicle license plates in order to…

A:

Q: A password for a computer system consists of five characters. Each character must be a digit or a…

A: The objective of this question is to find out the total number of possible passwords that can be…

Q: b. As an IT executive, one of the task is to manage the issues of information security. For this…

A: First 3 alphanumeric : A to Z   upper case with repetitionNext 3 alphanumeric: 0-9       with…

Q: 3) The access code for the safe in my office consists of 4 digits.The first digit must be odd or…

A:

Q: A seven-character computer password can be any three letters of the alphabet, followed by two…

A: Given, A seven-character computer password can be any three letters of the alphabet, followed by two…

Q: Every Wayne State student has an access id; the 6-character name consisting of 2 letters (a-z)…

A: a) Calculating the total number of ways: The access id consist 6 character name consisting 2 letters…

Q: Answer the following questions. Give justifications and explanations whe a) You want to make…

A:

Q: How many three-letter "words" (some may be nonsense words) can be made from 4 letters "FGHI" if…

A: Permutation and combination used to calculate the number of possible ways to arrange or select a…

Q: Question 2 Consider a standard Normal random variable Z~ N(0, 1). Use the method of cumulative…

A:

Q: 1. The license plates for cars in Nova Scotia typically have 6 digits. The first three digits are…

A:

Q: How many different four letter secret codes can be formed if the first letter must be an S or a T ?

A: The experiment is to form four-letter secret codes. The condition is the first letter must be an S…

Q: OBX Cart Rentals has created a website for customer access. They are trying to determine a…

A: Note: Hey, since multiple questions are posted, we will answer first three questions according to…

Q: In how many ways can a 4-letter code word be formed from the letters of the word CHECKBOOK?

A: Please comment down for any doubt. I hope my answer helps you.

Q: 6. A school has 2 types of student id names. An id of the first type has length 5, and the format is…

A: Given that, A school has 2 types of student id names. An id of the first type has length 5, and the…

Q: A computer password is required to be 5 characters long. How many passwords are possible if the…

A: Given dataa computer password is required to be 5 cgaracters longThe password requires 2 letters…

Q: A secret code for a bank vault consists of 2 letters, then 4 digits and then 4 more letters. How…

A: A code contains 2 letters, 4 digits and then 4 more letters.

Q: 6. There is a safe that requires a special access code in order to open. This code is 6 characters…

A:

Q: I want to make a password using 3 consonants followed by 3 vowels. Given that I do not want…

A: password : 3 consonants followed by 3 vowels   out of 26 letters there are 5 vowels {a,e,i,o,u} so…

Q: A code for an alarm system is made up of two letters, followed by four digits. How many codes can be…

A: There are 26 letters [A-Z] There are 10 digits. [0-9] a) We can pick the 2 letters each in 26 ways…

Q: For some particular website, the password must start with one of the letters W, X, Y, or Z. Then…

A: As the English alphabet has 26 letters from A to Z, and there are 10 digits from 0 through 9, total…

Q: The company has agreed on an 8 character password format, comprised of upper case letters , lower…

A:

Q: 1. A set of letters consists of 9 consonants and 4 vowels. How many three-letter "words" are…

A: Note: As per the Bartleby guidelines only 1 question can be answered. Kindly resubmit the questions…

Q: 7. You are selecting a 7 character password using 4 letters and 3 numbers (from 0-9), without…

A: