1) The words can be repeated using the Turkish alphabet of 8 characters long words: (Turkish...
1) The words can be repeated using the Turkish alphabet of 8
characters long words: (Turkish alphabet contain 29
characters)
a) How many words can be produced starting and ending with the same
letter?
b) How many words can contain only one 'A'?
c) How many words can be produced containing at least one
'A'?
d) How many words can be produced starting with 'A' and ending with
'B'?
e) How many words can be produced consecutively with exactly 5
'A'?
Homework Answers
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1) The words can be repeated using the Turkish alphabet of 8
characters long words: (Turkish...
18. At a certain company, passwords must be from 3-5 characters long and composed of the...
18. At a certain company, passwords must be from 3-5 characters long and composed of the 26 letters of the alphabet, the ten digits 0-9, and the 14 symbols !,@,#,$,%,^,&,*,().-+,{, and ). (As a note, the password does not REQUIRE at least one character of each type. In other words, it is fine if your password doesn't have any digits or is only special symbols.) a. How many passwords are possible if repetition of characters is allowed? [4 points] b....
Suppose that passwords for an email provider: must be either 8 or 10 characters long are case-sensitive, can include digits, and can include any of 12 special characters cannot end in a special charac...
Suppose that passwords for an email provider: must be either 8 or 10 characters long are case-sensitive, can include digits, and can include any of 12 special characters cannot end in a special character must contain at least one capital letter, one digit, or one special character (can contain more than one, just must contain at least one) How many different passwords are possible? Show your work. Work on the back of this sheet and attach additional sheets as necessary....
How many different passwords of size 6 can be formed using English alphabet characters if the...
How many different passwords of size 6 can be formed using English alphabet characters if the first letter must be a capital letter and the remaining letters must be lower case? a) 26 * C(25, 5) b) P(26, 5) c) 26 * P(26, 5) d) 26 * C(26, 5) e) P(26, 6)
4. (HHM Problem 2.1 #2) Assume that a vowel is one of the five letters A,...
4. (HHM Problem 2.1 #2) Assume that a vowel is one of the five letters A, E, I, O, or U. (a) How many eleven-letter sequences from the alphabet contain exactly three vowels? (b) How many of these have at least one repeated letter?
I need the answer a, b, c. you have to annwer part C must a) A...
I need the answer a, b, c.
you have to annwer part C must
a) A password must be 8 characters long and contain only digits and lowercase English letters. How many different passwords contain at least one digit and at least one letter? b) How many different strings of length 10 containing only the letters a, b, and c start or end with a c? c) How many people must be selected to make sure 20 of them were...
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Question 3: a. A computer password is 6 characters long. A character can be either a digit or an uppercase English letter. A valid password must contain exactly one digit. How many valid passwords are there? (hint: you do not know the position of this one digit. It might be in the beginning or the end or the middle of the password. You may use the combination low to select the position of this digit and then assigno value to...
I have 4 questions dont know can anyone help me with any of it? ii) Consider the 11 letter word MATHEMATICS a) How many distinct words can be formed by rearranging its letters? b) How many 4 letter wo...
I have 4 questions dont know can anyone help me with any of
it?
ii) Consider the 11 letter word MATHEMATICS a) How many distinct words can be formed by rearranging its letters? b) How many 4 letter words can be formed using the letters in the word MATHEMATICS, using letters no more often than they appear in the word? ii) Consider the equation where xi, x2, 13, T4,5 and re are non-negative integers a) How many solutions are there...
Assume passwords are 10 characters long, and each character is either a lower case letter, upper...
Assume passwords are 10 characters long, and each character is either a lower case letter, upper case letter, or digit 0, . . . , 9. (a) How many possible passwords are there? (b) How many passwords are there with at least one upper case letter, and also never repeat a character? (c) How many passwords are the same written forwards and backwards?
discrete math '-(oe : length(a) 29, be the alphabet {a,b,c,d,e,f,g) and let 7. Let a) How many elements are in the following set? {ωΣ: no letter in ω is used more than once) b) Find the proba...
discrete math
'-(oe : length(a) 29, be the alphabet {a,b,c,d,e,f,g) and let 7. Let a) How many elements are in the following set? {ωΣ: no letter in ω is used more than once) b) Find the probability that a random word we has al distinct letters. e) Find the probability that a random word oe has the letter g used exactly once. d) Find the probability that a random word e does not contain the letter g.
'-(oe : length(a)...
I. How many 5-letter passwords (letters may be repeated) can be created from the monkey type- wri...
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4. (HHM Problem 2.1 #2) Assume that a vowel is one of the five letters A, E, I, O, or U. (a) How many eleven-letter sequences from the alphabet contain exactly three vowels? (b) How many of these have at least one repeated letter?
I need the answer a, b, c.
you have to annwer part C must
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Question 3: a. A computer password is 6 characters long. A character can be either a digit or an uppercase English letter. A valid password must contain exactly one digit. How many valid passwords are there? (hint: you do not know the position of this one digit. It might be in the beginning or the end or the middle of the password. You may use the combination low to select the position of this digit and then assigno value to...
I have 4 questions dont know can anyone help me with any of
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ii) Consider the 11 letter word MATHEMATICS a) How many distinct words can be formed by rearranging its letters? b) How many 4 letter words can be formed using the letters in the word MATHEMATICS, using letters no more often than they appear in the word? ii) Consider the equation where xi, x2, 13, T4,5 and re are non-negative integers a) How many solutions are there...
discrete math
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'-(oe : length(a)...
i. How many 5-letter passwords (letters may be repeated) can be created from the monkey type- writer from Q1 if it is forbidden for a password to begin and end with the same letter? Answer: 11. Using the monkey typewriter from Q1, how many 8-letter words are there consisting of 8 distinct letters that contain the word 'APE' (as 3 consecutive) letters within the 8-letter word? Answer: iii. Suppose that a group of 9 inhabitants of the Island of Knights...
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