Answered: How many 4-letter passwords can be…

How many 4-letter passwords can be formed using the letters in the word "HONESTY" if the 4-letter password a) Begins with a vowel? b) Begins with a consonant? c) Begins with a consonant an

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

See similar textbooks

Related questions

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: how many different 5-digit codes can be formed if the first digit must be an odd number, the second…

Q: How many ways can you make a 5 digit password that can be any number (including zero) or letter…

A: The objective of this question is to find out the total number of possible combinations for a…

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

Q: Find all possible two-digit numbers using the digits from the set {1, 2, 3, 4}. Write the set for…

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: 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: Develop a divisibility test that will work for 45. Then prove your divisibility test for the…

A: The objective here is to develop a divisibility test of 45.A quick observation of the multiplication…

Q: Use inductive reasonig to predict the next number in each of the following list. a. 5, 10, 15, 20,…

A: part(a) 5, 10, 15, 20, 25 ? solution definition of inductive reasoning inductive reasoning is the…

Q: Television and radio stations use four call letters starting with W or K, such as WXYZ or KRLD.…

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

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: what mark must a candidate achieve to secure an inter

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: 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 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: HELP WITH COMPLETE SOLUTION PLEASEEE! PERMUTATION A.Five different books are on a shelf. In how…

A: GivenA.No.of books(n)=5

Q: In a certain state, license plates each consist of 2 letters followed by 3 digits. How many…

Q: Construct the truth table of the following compound propositions by following the steps in this…

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: Determine whether C, C, both, or neither can be placed in the blank to make the following true.…

A: Given: {bruschetta, pigs feet, cream, almond paste, rose water}__{pig's feet, rose water,…

Q: To sign-in an account, suppose 0' to 9' numbers and 'A' to 'Z' alphabets with upper case and lower…

A: Total no. of numbers=10 Total no. of alphabets=52 (26 Upper case and 26 lower cases) No. of…

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: The digits 1, 2, 3 and 4 can be arranged to form different four-digit codes. a. Find the number of…

Q: user passwords for a certain computer network consist of 6 letters( upper case ) followed by 4…

A: user passwords for a certain computer network consist of 6 letters( upper case ) followed by 4…

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 safe lock is formed of 2 different letters followed by 4 different digits. How many passwords can…

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: There are 12 black socks, 15 dark brown socks, and 20 dark blue socks in a drawer. It is dark and…

A: In a drawer, The number of Black Socks = 12 The number of Dark Brown Socks = 15 The number of Dark…

Q: Outside a home, there is a 9-key keypad with letters A, B, C, D, E, F, G, H, and I that can be used…

A: Permutation: It defines the number of possible ways an object can be arranged or ordered. The…

Question

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

a) Begins with a vowel?

b) Begins with a consonant?

c) Begins with a consonant and ends with a vowel?

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

Step 2

Step 3

Step 4

Trending now

This is a popular solution!

Step by step

Solved in 4 steps

SEE SOLUTION Check out a sample Q&A here

Similar questions

The number of arrangement of letters of the word ILLUSION is 40320. False true
You can use the 26 letters A,…,Z to form words oflength 6. Each word may contain at most one repeated letter. For example, the followingwords qualify: ABCAXY, FGHHJK, ABCDEF; but ABXYBA does not qualify. Howmany such words exis
Add a lottery, hundred tickets were sold and three prizes are to be given. How many possible outcomes are there if the three prizes are equivalent? (do not use commas when you write your number. For example enter 3456789 NOT 3, 456, 789)
In how many ways can we make combinations of three letters C, O, Y taken 1,2,3 at a time?(Answer in number only, no units, no spaces, no commas)
In how many ways can a hand of 9 diamonds be chosen from an ordinary deck? How can the problem be solved? Select the correct choice below and fill in the answer boxes to complete your choice. O A. Find C( D O B. Find P D A hand of 9 diamonds can be chosen in| ways.
For a Halloween party, each guest can choose from the 6 different kinds of candy to have in a prize bag. If any number of candy types can be chosen, how many candy type combinations are possible?
A standard-issue 2020 New Jersey license plate had one letter, then two digits, followed by three letters. New Jersey DOO SPA Garden State These plates were not allowed to have letters D, T, or X in the fourth position, or the letters I, O, or Q in any position. With these restrictions, how many different license plates were possible in 2020?
Final answer whole number
How many 4-letter passwords can you form from the letters A, B, C, D, E, F, G, H, with no letter repeated? a. 8! = 40320 b. 8!/4 = 10080 c. None of the other answers is correct. d. (8/4)! = 2! = 2 e. 8! / 4! = 1680
Add a lottery, hundred tickets were sold and three prizes are to be given. How many possible outcomes are there if there is a first, second, and third prize? (do not use commas when you write your number. For example enter 3456789 NOT 3, 456, 789)
Outside a home, there is a 9-key keypad with letters A, B, C, D, E, F, G, H, and I that can be used to open the garage if the correct nine-letter code is entered. Each key may be used only once. How many codes are possible? The number of possible codes is_____