2. A password has to use the following format: LDDDDLLL, where L can be any of the upper case letters in the alphabet, and D can be any digit including 0. None of the digits or letters can repeat. a. What is the probability that a random password uses only vowels (A,E,I,O,U) and odd numbers (1,3,5,7,9)? Show work but do not evaluate. b. What is the probability that the password spells the word "LOVE?" Show work but do not evaluate.

Q: 10 BRACU students' responses were following about their preferred device for buX login: Preferred…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: There are three sets of key rings A, B and C, for a house. The first set has five keys, the second…

A: A home has three sets of key rings: A, B, and C. Only one key from each set opens the storehouse…

Q: 10 BRACU students' responses were following about their preferred device for buX login: Preferred…

A:

Q: 2. The game of bingo has 15 numbers associated with each letter of the word bingo. For example, the…

A: The game of Bingo has 15 numbers associated with each letter of the word bingo.

Q: a user has 2 key rings (public and private) with each holding 33,000 keys. What is the probability…

A: In PGP, a user has 2 key rings(private and public) with each holding 33,000 keys. That is, private…

Q: ive people will be randomly selected from a group of 15.  How many combinations are possible? There…

A: Five people will be randomly selected from a group of 15 Thus this is a problem of combinations  we…

Q: A website requires users to create a password that is 4 characters long. Each character can contain…

A: Given: It is given that setting up the expression that which can be used to calculate the number of…

Q: Each symbol in a ciphertext has probability 0.1 of being any symbol in its catalog and symbols are…

A: Given that each ciphertext has probability =0.1 each line in a ciphertext has 35 symbols.

Q: Consider a binary code with 7 bits (0 or 1) in each code word. In each code word, a bit is a zero…

A: The Fundamental Principle of Counting tells that if there is m ways to do one thing and n ways to do…

Q: A computer system uses passwords that contain exactly 6 characters, and each character is 1 of the…

A: We have to make a password of 6 digits whose digits can be 26 lowercase alphabets, 26 uppercase…

Q: 29% of car crashes occur within 2 miles of the motorists home. A researcher thinks it has decreased.…

A: Given Information: (a) 29% of car crashes occur within 2 miles of the motorists home. A researcher…

Q: There are 4 bins, each bin have number 0 to 9. Pick 1 number from each bin, then cauculate the…

A: Hi! Thank you for posting the question. Since your question has more than three sub-parts, we have…

Q: Suppose that you pick a bit string from the set of all bit strings of length ten. What is the…

A: Given, each position can be either 0 and 1  so, the total number of strings be possible (A) =210  =…

Q: Suppose there were 500 workers in a factory, and they could be classified as following: Male Female…

A: Given data,

Q: Assume that it is equally probable that the pointer will land on any one of the eight numbered…

A: Given : Assume that it is equally probable that the pointer will land on any one of the eight…

Q: A computer password consists of six characters. a. How many different passwords are possible if each…

A: # we are entitled to solve one question at a time, please resubmit the other question if you wish to…

Q: If a number is chosen randomly from the set of numbers {1, 2, 3, 4, ..., 17), find the probability…

A: The given set of numbers are 1,2,3,4,...,17.

Q: A password is to consist of 2 different digits from the set { 5, 7, 9 } followed by 3 not…

A: Given, A password is to consist of 2 different digits from the set { 5, 7, 9 } followed by 3 not…

Q: Sarah collects figures from cornflakes packets. Each packet contains one figure, and n distinct…

A:

Q: a. The coach's Minor Baseball team has 9 starting players in the field. Each of the 9 players has to…

A: Permutation - a permutation is an arrangement or ordering of a number of distinct objects.

Q: 1. A password consists of 10 characters (using only upper or lowercase letters or digits 0-9). a.…

A:

Q: When testing for current in a cable with ten ​color-coded wires, the author used a meter to test…

A: Combination: According to the combination rule, if r distinct items are to be chosen from n items…

Q: Don't use chat gpt

A: The objective of this question is to find the number of 7-card hands that will consist of exactly 3…

Q: There are 12 yellow, 5 blue, 14 red, and 9 green marbles in a bag. A marble is chosen at random, not…

A:

Q: A hacker is trying to guess someone's password. The hacker knows (somehow) that the password is 11…

A:

Q: There are n people sitting in a ring. If a person gets the keg of beer this individual passes it on…

A:

Q: There are n people sitting in a ring. If a person gets the keg of beer thi8 individual passes it on…

A: Given: There are n people sitting in a ring. If a person gets the keg of beer this individual passes…

Q: A bag of contains 72 pieces of candy of 5 different types. How many pieces must be randomly selected…

A: given data 72 pieces of candy of 5 different type how many people must be selecte to guarantee the…

Q: In an experiment on social​ interaction, 6people will sit in 6 seats in a row. In how many ways can…

A: Here we Wang to know how many ways six people can sit in six seats in a row.

Q: In a box containing 10 keys labeled 1 to 10, find the probability of: a) getting the No. 5 key from…

A:

Q: How many ways are there to arrange on a shelf 4 copies of a C++ book, 3 copies of a probability…

A: 1) Total number of books = 4 + 3 + 6 Total number of books = 13 Number of ways to arrange on a…

Q: Consider strings of length n over the set {a, b, c, d}. a. How many such strings contain at least…

A:

Q: A computer program requires the user to enter a 7-digit registration code made up of the digit…

A: To find the number of different registration codes possible, we use the fundamental counting…

Q: a) If we know that a password for this system consists of a string of two words from a dictionary…

A: Here use combination and arrangement

Q: A message is transmitted using a binary code of Os and 1s. Each transmitted bit (0 or 1) must pass…

A: Form of the given information,The probability that the bit sent will be different from the bit…

Q: A coin is tossed n times. a) What is the probability that exactly k heads occur? b) What is the…

A: Thanks for the question :)And your upvote will be really appreciable ;)

Q: A lottery game has players selecting 5 numbers at random from the numbers 1–55. The state picks 20…

A:

Q: Recall that a full deck of cards contains 52 cards, 13 cards of each of the four suits. Distribute…

A: The indicator trick can be used to compute the expected value of . This trick involves defining…

Q: How many permutations of the letters ABCDEFGH contain the string CFA?

A: We need to find the number of permutations of the letters ABCDEFGH that contain the string CFA. We…

Q: 1. There are 240 students registered in Grade 12. 63 are taking Physics, 46 are taking Adv F, and…

A: We will answer the first question since the exact one was not specified. Please submit the new…

Q: A spyware is trying to break into a system by guessing its password. It does not give up until it…

A: We know that,A spyware is trying to break into a system by guessing its password.It does not give up…

Q: For 100 bǐ hs, P(exactly 58 girls)-0.0223 and P 58 or more girts):00671s 58 gits in 100 bits a…

A: The p-value:Suppose H0 is a null hypothesis to be tested and Ha be the alternative. Then, the…

Q: What is the probability that a random integer from 94 to 744 is divisible by 14? (All integers in…

A:

Q: Recall that a full deck of cards contains 52 cards, 13 cards of each of the four suits. Distribute…

A: The indicator trick can be used to compute the expected value of N. This trick involves defining…

Q: One 12-digit binary code (leading zeros allowed) is randomly generated by a computer. What is the…

A: a