A user is allowed to create an 8-digit password, but it must satisfy the following requirements: The first 2 spots must be different letters of the alphabet (case is not sensitive) The next 4 spots must be different numbers from the set [0-9] The last 2 spots must be different non-alphanumeric symbols from the set {#, @, $,%} How many passwords are possible?

Q: How many different passwords of 4 characters can be made using the numbers from 0 to 9 and the…

A: A password of four characters is to be made using the numbers from 0 to 9 i.e. 10 digits and the…

Q: In a certain country, area codes have four digits and are subject to the following restrictions. The…

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Q: Find the number of ways to put eight different books in five boxes, if no box is allowed to be…

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Q: A password contains eight digits, such as 17466780. How many different passwords can be formed?

A: no.of digits(0 to 9)=10

Q: 7. You need to select a three-character password for a new online bank account. The rules are: you…

A: Permutation - The different arrangements of a given number of things by taking some or all at a…

Q: each character in a password is either a digit(0-9) or lowercase letter (a-z). how many valid…

A: There is total 10 digits, such that 0, 1, 3, …., 9 and there is total 26 lowercase letters, such…

Q: How many four-letter passwords can you form with the letters a,b,c,d,e,f,g,h,i,j?  a. 10^4 =…

A: It is an important part of statistics. It is widely used.

Q: an iPhone locks with a 5-digit code. How many codes are possible, if repetition isnot allowed and…

A: Lock of 5 digit code , Repetition is not allowedFirst digit must be 9 Number of codes = ?

Q: The table lists the number of deaths (in thousands) in a certain country during a particular year…

A: The table shows the number of deaths in a certain county during a particular year according to race…

Q: In the past, a college required students to use a 4 digit PIN (Personal Identification Number) as…

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Q: Outside a home, there is an 8-key keypad numbered 1 through 8. The correct five-digit code will open…

A: There are totally 8-key keypad numbers. The correct five-digit code will open the garage door. The…

Q: collage has new password conditions. There must be 6 characters, which can be either numbers or…

A: In password : There must be 6 characters We can use numbers or lower case lettersNumbers = (…

Q: Find the available number of passwords when using a 4 letter password with possible usage of…

A:

Q: To log onto a certain website, they require the customer to create a unique username. The username…

A: We have, The total number of letters=26The total number of digits=10, i.e, (0 to 9). We need to make…

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

A: Students id consists of 6 characters out of which the first two characters are from (a -z) and which…

Q: To enter their home the rouse family enters a 6 character code consisting of 4 letters (uppercase of…

A: We have to find 6 character code consisting of 4 letters (uppercase of lowercase) and 2 digits if…

Q: How many different unique passwords could be made by rearranging the following characters? M A T H E…

A: How many different unique passwords could be made by rearranging the following characters? M A T H E…

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

A: The following solution is given below :

Q: A realtor uses a lockbox to store the keys to a house that is for sale. The access code for the…

A: The total number of digits =10(from 0 to 9) There are 5 digits (1,3,5,7,9) and 5 even digits…

Q: A website instructs users to create a password using 4​ alphanumeric characters (letters or digits).…

A: We have given that a website instructs users to create a password using 4​ alphanumeric characters…

Q: An IP address can be written as a 32-bit number. For a class B network, the two most significant…

A: Given that : An IP address can be written as a 32 bit number for a class B network the two most…

Q: How many different 2 letter passwords can be formed from the letters A, B, C, D, E, and F if no…

A:

Q: You are asked to create a six character password and each character can be any of the 26 letters of…

A: Given: Number of alphabets=26 Number of numerical 2 through 9=8 Total number of characters, n=34 The…

Q: How many different four-letter passwords can be formed from the letters A, B, C, D, E, F, G and H if…

A:

Q: Passwords can have 7 characters. Each character can be an uppercase or lowercase letter, a digit…

A: (a) If any character can be used in any position we have 26 uppercase letters 26 lowercase letters…

Q: A 16-bit string is a sequence of 16 symbols, each symbol a 0 or a 1. How many 16-bit strings are…

A: A bit string is a sequence of  symbols, each symbol a  or a We have to find the possible number of…

Q: Each character in a password of length six can be any uppercase letter from A-Z or any symbol from…

A:

Q: Bob owns 13 different books. He wants to pick out and arrange 5 of these books left-to-right on a…

A:

Q: Express the confidence interval (0.432, 0.52) in the form of ± E. Group of answer choices 0.432 ±…

A: The confidence interval is (0.432, 0.52).

Q: In how many distinct orders can the sweaters be arranged if two sweaters of the same color are…

A: HERE GIVEN , A sales assistant is hanging 11 sweaters on a rack. He has 5 green sweaters, 3 pink…

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: email password consists of two letters followed by three digits. Find the number of passwords…

A: Concept: Given that An email address consists of Two letters followed by three digits.  Since we…

Q: A password contains six ​digits, such as 174668. How many different passwords can be​ formed?

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

Q: bank PIN is a string of four digits, each digit 0-9. How many choices are there for a PIN if the…

A: Given A bank PIN is a string of four digits, each digit 0-9. Odd numbers=1,3,5,7,9

Q: to use an automated teller machine at a certain bank, you must enter a 6-digit code, using digits…

A: Suppose that the repetition of digits is permitted, there are  choices  for each digit in the -digit…

Q: Each character in a password of length six can be any uppercase letter from A-Z or any symbol from…

A: Given information: Total number of letters that can be used for password = 26 Total number of…

Q: How many strings of three decimal digits (each digit can be 0-9) do not contain the same digit three…

A: Solution :-

Q: To use an automated teller machine at a certain bank, you must enter a 4-digit code, using the…

A: Total available numbers = 9 To make 4 digit code

Q: How many such passwords are possible that end in the letter Z?

A: A website instructs users to create a password using 3​ alphanumeric characters (letters or digits).…

Q: For some particular website, the password must start with one of the letters a b or c. Then there…

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

Q: A corporate password consists of four digits, followed by three lower-case letters of the alphabet.…

A: The password is 4 digits long followed by three lower-case letters.