How many five-letter passwords can be formed from the letters {A, B, J, K, X, Z} under the following circumstances. (a) If a letter can be repeated? five-letter passwords (b) IE lotter canno+ be ro neated2

Q: How many passwords with 5 letters without repetition can be made from letters a,b,c,d,e,f,g,h,I,j

A: Solve using permutations

Q: A. A box contains 5 red balls, 4 green balls, 4 green balls, and 7 blue balls. How many ways can we…

A: NOTE-By bartleby rules, only first question has been answered. As per given by the question, there…

Q: A computer password consists of two capital letters selected from Z, A, R, X, S followed by three…

A: Given ,no.of letters =5 (Z,A,R,X,S)no.of digits=5 (2,3,6,8,9)

Q: In how many ways can a  friend visit his 3  friends  if he must visit all of them in a single day

A: Since, you have asked multiple question, we will solve the first question for you. If you want any…

Q: How many different passwords are there that contain only digits and lower-case letters and satisfy…

A: Given, no. of digtis = 10  (0 to 9) no. of letters = 26  (a to z) Total = 36 (iii) Password must…

Q: How many different passwords are possible? If a cell phone’s password consists of eight characters,…

A: Given that cell phone's password consists of eight characters. first character is 6. The number of…

Q: In a particular state, all automobile license plates consist of two capital letters (from…

A:

Q: A pass code for an account consists of 2 letters followed by 3 symbols. If letters may be chosen…

A:

Q: How many passwords can be formed using the letters "L, i, o, n" and the digits 2, 0, 1, 9"

A: Here use combination

Q: Computer passwords are to consist of a string of six symbols taken from the digits 0,1,2, ... ,9 and…

A: Number of digits=10 Number of lower case letters=26 Total number of symbols=10+26=36 Length of…

Q: Assume that A={A,B,C} and B={5,4,1,9,6} A code consists of 2 different symbols selected from X…

A: Given: Assuming X={A,B,C} and Y={5,4,1,9,6}. A code consists of 2 different symbols selected from X…

Q: One company has 700 employees. Prove there are at least two employees that have the same initials.…

A:

Q: (a) A pizza parlor has a choice of 12 toppings for its pizzas. From these 12 toppings, how many…

A: a)GivenNo.of toppings for pizza=12

Q: 1. Frankie has to create a new Virginia Tech password. Suppose Frankie wants his password to be 7-9…

A: The given data is:

Q: How many 9-character passwords with only the characters $, #, @, A5, A6,..., A21 are possible if…

A:

Q: Suppose you are going to make a password that consists of 5 characters chosen from…

A: The given number of characters is n = 9, characters are: {2,3,6,7,a,c,k,n,p} In order to choose k…

Q: How many 4-letter passwords can be formed using the letters in the word "HONESTY" if the 4-letter…

A: Given: n(total) = 7 n(vowels) = 2 (O,E) n(constants) = 5 (H,N,S,T,Y) n(chosen) = 4 Assuming that…

Q: how many possible combinations are there for computer password that must contain six letters a…

A: Each of the places can take any letters from A to Z , as no repeat condition is given. Therefore,…

Q: How many strings of 7 English letters are there that start and end with the letter T and contain at…

A: Given, we have to make 7 letters string that  will start and end with T    And the string have at…

Q: A password a string that consists of 4 digits from the set {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}, followed…

A:

Q: A license plate consists of   five symbols on each​ plate, where the first two symbols are letters…

A: Fundamental principle of counting : If an event occur in m ways an corresponding to it another event…

Q: How many permutation of the letter ABCDEFGH contain the string ABC?

A:

Q: A user’s password to access a computer system consists of three digits and two letters.…

A: A permutation of a set is an arrangement of its members into a sequence or if the set is already…

Q: 4 students go to a theatre and they buy tickets from a row with seats numbered from 1 to 16 but no…

A: To find number of ways were seated numbered from 1 to 16 but no two of them will have adjacent seat.

Q: A person ordering a certain model of car can choose any of 9 colors, either manual or automatic…

A: A person is ordering a car, such that  there are 9 possible ways to choose colors, two ways to…

Q: 9. in a 5-digit numeric password, how many possible combinations are there if a digit cannot be…

A:

Q: An Internet service provider requires its customers to select a password consisting of fourletters…

A: An Internet service provider requires its customers to select a password consisting of fourletters…

Q: 2) A school district assigns each of their students a password that consists of three unique letters…

A: Solution

Q: How many different ways can you arrange 2 letters from a set of 3 letters {L, S, U} such that…

A: There are 3 distinct letters. We must find the number of ways 2 of these letters can be arranged…

Q: How many words can be formed by permutation of the letters of the word DEPRESSION such that each…

A: Given word DEPRESSION We have to calculate No. Of words such that obtained word does not contain 2…

Q: A password for a website consists of 4 digits followed by 2 lowercase letters. Determine how many…

A: Given data: A password for a website consists of 4 digits followed by 2 lowercase letters. To…

Q: 6 - How many different two-letter passwords can be formed using the letters A, B, C, D, E, and F if…

A: given letters A B C D E F total no. of letters = 6 we need a two letter password

Q: 2. How many unique 3 digit codes can be created from the 5 digits {1, 2, 3, 4, 5} if repetitions are…

A: A permutation of a set is defined as an arrangement of its members into a sequence or if the set is…

Q: License plates in a particular state are to consist of 3 digits followed by 2 uppercase letters. How…

A: no.of digits=10  (0 to 10)no.of uppercase letters=26   (A to Z) 9 ways fill it (0 , 2, 3...10) 9…

Q: How many different license plates are possible if each contains 2 letters (out of the alphabet's 26…

A: Given that license plate contains 2 letters and followed by 5 digits.  There are 26 choices for each…

Q: How many different three-letter passwords can be formed from the letters A, B, C, D, E, and F if no…

A: There are 6 letters: A, B, C, D, E, and F Different three-letter passwords have to be formed from…

Q: 5) How many different passwords are possible? If a cell phone's password consists of eight…

A: Given: Considering 0 to 9, there are 4 even numbers and 4 odd numbers. In alphabets there are total…

Q: 1. A password consists of 5 letters (not case sensitive) followed by 2 digits. How many passwords…

A: 1. The password consists of 5 letters(not case sensitive) followed by 2 digits.

Q: A password for a website consists of 4 digits followed by 2 lowercase letters. Determine how many…

A: It is given that the password contains 4 digits followed by 2 lowercase letters. Since the total…

Q: 5 can be formed if the alphabet (set of avail

A: To find: Number of strings of length 5 that can be formed with {a,b,c} with last character not as b.

Q: How many words can be formed by permutation of the letters of the word DEPRESSION such that each…

A:

Q: For some particular website, the password must start with one of the letters P, Q, R, S, or T. Then…

A: Given: There are 5 possible options for the first character of the password.

Q: How many 2-letter code words can be formed from the letters K, U, I, A if no letter is repeated? If…

A: Given that Letters formed = K, U, I,A

Q: 7. There are 7 boys and 5 girls in a class. а. How many ways can a committee of 4 people be selected…

A:

Q: A pass code for an account consists of 2 letters followed by 3 symbols. If letters may be chosen…

A: Total number of letters available for password, m = 12 Total number of symbols available for…

Q: How many strings of five uppercase English letters are there (a) that start with an X, if letters…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: Your student email account requires you to choose a password of 4 letters followed by 1 of the…

A: We have to find no. of ways to arrnage given data.

Q: To use an automated teller machine at a certain bank, you must enter a 5-digit code, using the…

A: To use an automated teller machine at a certain bank, we have to enter a 5 digit code using digits…

Q: 2. How many alphabet characters should a password be composed, making sure that there are at least 2…

A: Hello learner, we can answer first question as per the honor policy. Please resubmit other question…

Q: A pizza chain wants to send codes for $2 off a large pizza to the subscribers of its e-mail list.…

A: Given that there are 3 positions for letters. Each position can have 23 choices. So the total…

Statements and Logic

Logic is the analysis of general patterns of thoughts without regard to any specific sense of context.