We want to compute the number of possible strings that contain 3 letters (each letter can be a CAPITAL letter or a small letter). Each string should start with “A” and should finish with “z” or “Z”

Q: There are a certain number of programmers in a room. 85% of them can program in Elm, 40% can program…

A: percentage of  programmers  who can program in elm, n(E)=85% percentage of  programmers  who can…

Q: Consider 2 classes, the first with 5 students, and the second with 7 students. From this group of…

A: Given data 2 classes First with 5 students and second with 7 students 2 students need to be selected

Q: A pharmaceutical company is going to issue new ID codes to its employees. Each code will have three…

A: The employee ID of the company will have 3 letters followed by 1 digit. It is given that the letters…

Q: computer password 8 characters long is to be created with 6 lower case letters (26 letters for each…

A:

Q: How many strings of 1our decimal digits have all four digits that are different? How many strings of…

A:

Q: Let us say that we are going to create eight letter passwords from a set of 23 letters (all of the…

A: There are 23 alphabets, 10 numerics and 5 symbols.

Q: How many strings of Length tree can be formed by using the letter A,B,C,D and E without repetitions

A: Detailed explanation mentioned below

Q: You have a four letter string, where each of the five vowels has to be followed by a consonant,…

A: According to the given information, it is required to find the possible number of strings of 4…

Q: A pass code for an account consists of 2 letters followed by 3 symbols. If letters may be chosen…

A:

Q: A signal can be formed by running different colored flags up a pole, one above the other. Find the…

A:

Q: How many 10-bit strings are there if the string must start with 001 or 10?

A: By using the given information the solution is given as follows

Q: Suppose that a coach must select 5 players to play on a basketball team. • The coach has 13 players…

A: The coach has 13 player to select from  And only 4 players can play center, so one of them has to be…

Q: How many 10-bit strings are there if the string must have exactly one 1 in the first half and…

A: The string must contain exactly one 1 in the first half and exactly one 1 in the second half. So…

Q: the track team has 20 members and will be sending 5 members to the next competition. how many 5…

A: Combinations: The number of combinations of r items selected from n items is, nr=n!n-r!r! The track…

Q: 4. Suppose that Mr. H paid $500 for his insurance in 2018. It is expected that every year the…

A: Since you have asked multiple question here, we will solve the first three questions for you. If you…

Q: How many strings of seven lower case letters of the English alphabet contain exactly four letters w…

A: We have to use permutations and combinations here.

Q: Suppose any possible arrangement of 8 letters is considered a word and the letters are chosen from…

A:

Q: Suppose a designer has a palette of 12 colors to work with, and wants to design a flag with 5…

A: Given that a designer has a palette of 12 colors to work with, and wants to design a flag with 5…

Q: Suppose you have 5 different flags available to make a signal.  How many ways can this be done if…

A: Given,Total no.of flags=5

Q: Suppose you are going to make a password that consists of 5 characters chosen from…

A: The given number of characters is n = 9, characters are: {2,3,6,7,a,c,k,n,p} In order to choose k…

Q: Each character in a password of length six can be any uppercase letter from A-Z or any symbol from…

A:

Q: A supermarket wants to send codes for $0.25 off a bag of chips to its rewards program members. Each…

A: There are 24 letters and 7 digits that would be used to generate a coupon with one digit follows by…

Q: In how many distinct orders can the sweaters be arranged if two sweaters of the same color are…

A: HERE GIVEN , A sales assistant is hanging 11 sweaters on a rack. He has 5 green sweaters, 3 pink…

Q: A large corporation is concerned with security and identify theft. So, unsteady of using workers…

A: A large corporation is concerned with security and identify theft. So, unsteady of using workers…

Q: From a group of 7 men and 6 women, five persons are to be selected to form a committee so that there…

A:

Q: Determine the number of strings of length 10 from the alphabet {A, B, C} that contain exactly 3 A's…

A:

Q: bank PIN is a string of four digits, each digit 0-9. How many choices are there for a PIN if the…

A: Given A bank PIN is a string of four digits, each digit 0-9. Odd numbers=1,3,5,7,9

Q: A technology company is going to issue new ID codes to its employees. Each code will have two…

A: We have to find out answer of given question....

Q: An order for an iPad Pro can specify any one of two sizes (iPad Pro 11‑inch, iPad Pro 12.9‑inch),…

A: Given data: An order for an iPad Pro can specify any one of two sizes (iPad Pro 11‑inch, iPad Pro…

Q: assume that you are trying to transmit a secret code using 3 letter words. if only 5 letters of the…

A: Given only 5 letters of the alphabet can be usedNO.of alphabets =5No.of words should be in secret…

Q: Let us say that we are going to create five letter passwords from a set of 23 letters (all of the…

A:

Q: A 5 character pass code is made up using choices from 4 different letters and 10 different numbers.…

A:

Q: A restaurant manager is listing 9 items on a menu. Of these menu items, 2 are appetizers and 7 are…

A:

Q: Show that you can make four distinct lists of books so that the total number of pages in the books…

A: Given: 15 text books is available and each with between 200 and 600 pages

Q: How many ways are there to select three unordered elements from a set with five elements when…

A:

Q: Suppose a company needs temporary passwords for the trial of a new payroll software. Each password…

A: The password must have, 1 digit and 3 alphabets. Number of digits available is 6 and the number of…

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

A:

Q: In an organization, X has been assigned to collect all the accounting departments files from the…

A: Probability is the chance of occurrence of an event.

Q: A signal can be formed by running different colored flags up a pole, one above the other. Find the…

A:

Q: How many strings of ten English letters are there that start with AB and end with Y Z and contain at…

A:

Q: 5 can be formed if the alphabet (set of avail

A: To find: Number of strings of length 5 that can be formed with {a,b,c} with last character not as b.

Q: itially, 10 people have an infection. The next day, every infected people infects one more person.…

A: To find the number of days it will take for 1280 people to infect.

Q: A string that contains only Os, 1s, and 2s is called a ternary string. How many ternary strings of…

A: Multiplication Principle:Suppose that we perform r experiments such that the kth experiment has nk…

Q: Don't copy from google or other sites  How many bit strings of length 11 contain either five…

A: Given, the strings of length 11 contain either five consecutive 0s or five consecutive 1s.

Q: We want to compute the number of possible strings that contain 4 letters (each letter can be a…

A:

Q: How many bit strings of length 10 contain either five con- secutive Os or five consecutive 1s? How…

A:

Q: A pass code for an account consists of 2 letters followed by 3 symbols. If letters may be chosen…

A: Total number of letters available for password, m = 12 Total number of symbols available for…

Q: A card game contains 52 cards where 13 are of hearts, 13 are spades, 13 are clubs and 13 are…

A: A combination is a selection of items from a group of items, where the order of selection is not…

Q: Suppose that all the pages are black and white, but each group of 25 consecutivepages (1-25, 26-50,…

A: To determine the number of ways for the 125 pages to assign to the 5 printers. Given that, the total…