How many 6-letter passwords can be made using the letters A through Z if... a) Repetition of letters is allowed? H b) Repetition of letters is not allowed?

Q: a) Suppose in a university, each subject offered to students has a subject code consisting of four…

A: a) In a university each subject offered to students has a subject code consisting of four letters…

Q: help

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Q: a) Jairon needs to create a paSsword for his internet account. To simplify things, he is going to…

A: Since you have posted a multiple question according to guildlines I will solve first question for…

Q: How many 5 letter codes are possible from the first 7 letters of the alphabet? a.) letters can be…

A: Excel is used to obtain the line and bar graph for years of education and years of experience,…

Q: A 3-digit code is to be made from the set of digits {4, 5, 6, 7, 8}. a. How many codes can be formed…

A: Given:

Q: a, bez show that 19-612 lal-lb/

A: Note: We have the triangle inequality of real numbers as  |x+y| <= |x| + |y| for any two real…

Q: In a particular state, all automobile license plates consist of two capital letters (from…

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Q: Consider four-letter words to be formed by using the letters: q, w, e, r, t, y, x How many different…

A: We have to find the number of possible four-letter words using the letters q,w,e,r,t,y,x.

Q: A password consists of three letters of the alphabet followed by four digits chosen from o to 9.…

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Q: how many passwords are there if you do not allow repeating digits? b.) How many passwords are there…

A: Since , the passwords are made by using 4 digits from 1-9. Total numbers=9 Password length=4 Our aim…

Q: You are a member of the BCC Math Club. The club has 15 members. a) How many different ways are there…

A: a)given,           club has 15 members here n=15(total numbers)           we need to select the…

Q: On average, 3 traffic accidents per month occur at a certain intersection. What is the in any given…

A: Given that On average traffic accidents per month= 3 X ~ Poisson (3)

Q: Use a Venn Diagram to solve: Out of 191 houses for sale in a specific zip code, 94 have a swimming…

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Q: 1-In which condition the LCM  of two numbers is one of the numbers? Give an example? 2-In which…

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Q: Given the numbers 1,3,5,5,7,7,7 a) Find out how many ways the numbers can be arranged. b) Find out…

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Q: How many 3-letter passwords can be made using the letters A through Z if... a) Repetition of…

A: We have to find the number of 3-letter passwords that can be made using the letters A through Z if…

Q: In how many ways can the letters u, v, w, x, y, z be arranged so that the letters u and v are…

A: Given: letters u, v, w, x, y, and z

Q: How many four letter words beginning and ending with a vowel without any letter repeated can be…

A: As per our guidelines we are supose to do only one questionGivenword is "MATHEMATICS"No.of letters…

Q: ex: Find the number of wolds of length 3 thet Can be written using the lettels A, B, GD and E Such…

A: There are total 5 letters and we have to make words of length 3 using this letters.

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

A: Given: n(total) = 7 n(vowels) = 2 (O,E) n(constants) = 5 (H,N,S,T,Y) n(chosen) = 4 Assuming that…

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: Choose one of the symbols E, #, C, C to complete this statement and make it true. 2 {2, 4, 6, 8,…

A: Answer:- If "A" is a set and "x " is an element of the set then the statement "x∈A means that x is…

Q: n a stock room of a car dealership, there are 4 red, 2 white, and 3 blue flags. There are three flag…

A: Given that there are a total of 9 flags with 4 red, 2 white, and 3 blue flags

Q: Q)1 a) How many 3 digits passcodes are there if first digit must be a 1 or 2 ?   b) How many 3…

A: Q1) a) There are 10 digits 0,1,2,3,4,5,6,7,8,9. The 3 digit passcodes must be formed such that first…

Q: Suppose any digit can be repeated, how many 4-digit PINs are possible if each PIN: a) must end with…

A: As per our guidelines, we are are allowed to answer only first question . Thanks   Suppose any digit…

Q: 6. There is a safe that requires a special access code in order to open. This code is 6 characters…

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Q: How many three digit passwords can be creating with the digits 1, 2, 3, 7, 8 and 9. O a 90 O b. 60…

A: Given digit  1,2,3,7,8,9 Number of digit =6

Q: List all two-digit numbers that can be written using only the digits 3, 7, and 9. List the numbers…

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Q: iven the numbers 1,3,5,6,7,8 a) Find out how many ways the numbers can be arranged. b) Find out how…

A: Given that  Given numbers = 1, 3, 5, 6, 7, 8 Number of numbers = 6    We know that  Number of ways…

Q: a) A user's password to access a computer system consists of four digits followed by five lowercase…

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Q: Three numbers are in A.P. If the sum of these numbers be 27 and the product 648 Find the numbers

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Q: The company has agreed on an 8 character password format, comprised of upper case letters , lower…

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