If three alphabets are to be chosen from A, B, C, D and E such that repetition is not allowed then in how many ways it can be done?

Q: How many different 4-letter radio-station call letters can be made   if the first letter cannot be…

A: Given: 4- letter radio-station call letter has to be made with first letter should not be A, B or C…

Q: A combination lock uses 3 numbers, each of which can be 0 to 23. If there are no restrictions on the…

A:

Q: Suppose you wish to arrange 2 math books, 5 chemistry books, and 4 history books on a single…

A: Given that  Number of math books = 2 Number of chemistry books = 5 Number of history books = 4 Total…

Q: There are 100 closed lockers in a hallway. A man begins by opening all 100 lockers. Next, he closes…

A: Given that: 100 lockers that are open. To find: The locker is open. To find the locker is open: We…

Q: 5 identical copies of a movie will be stored on 20 computers such that each computer has at most 1…

A: Given: 5 identical copies of a movie will be stored on 20 computers

Q: How many ways can the letters be arranged? If each letter is distinct (that is, each letter E is…

A: Consider the letters of the word ELEEMOSYNARY Total 12 letters E occurs 3 times Y occurs 2 times…

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: How many 5 letter words can be formed if no letter is allowed to be used no more than once in a…

A: It is given that 5 letter words can be formed and also a word here is any combo of letters - it does…

Q: There is a drawer with a total of 7 socks in it. Four (4) socks are blue and three (3) socks are…

A: Four (4) socks are blue and three (3) socks are yellow

Q: Suppose you have ten blocks with the letter A, A, C, E, E, E, R, S, S, and T. How many ways can we…

A: 10 blocks with letters :  A, A, C, E, E, E, R, S, S, TNumber of ways to order all 10 blocks = ?

Q: • Suppose that a coach must select 5 players to play on a basketball team. • The coach has 12…

A: Given that there are 3 players who can play center. So we can choose center in 3 ways only.  When…

Q: How many different three-letter arrangements can be formed using the letters A, B, C, and D if…

A: The given problem is a question about permutations, a fundamental concept in combinatorics, a branch…

Q: FIND THE test statistics value  FOR  TWO TAILED TEST  SAMPLe sixe 26 and level of significance is…

A:

Q: Suppose that there is a bag containing 6 marbles. How many ways can you draw 4 marbles from the bag…

A: The bag contains =6 marbles number of marbles drawn=4

Q: Suppose that in a particular class of 135 students, 45 of them are majoring in math, 60 of them are…

A: Let, A be the students who are major in math, B be the students who are major in communications.…

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.