A student wants to create a password consisting of 7 characters. How many possible ways can...

A student wants to create a password consisting of 7 characters. How many possible ways can the student create the password if the first three characters are letters following by two digits and the last two characters can be letters or digits?

Expert Solution

orchestra answered 2 years ago

You need to create a four-digit password using 0-9. How many passwords are possible, without repeating...

You need to create a four-digit password using 0-9. How many passwords are possible, without repeating a number, if a password must not start with a 0?

A student council consists of 15 students. (a) In how many ways can a committee of...

A student council consists of 15 students. (a) In how many ways can a committee of five be selected from the membership of the council? (b) Two council members have the same major and are not permitted to serve together on a committee. How many ways can a committee of five be selected from the membership of the council? (c) Two council members always insist on serving on committees together. If they can't serve together, they won't serve at all....

Password consists of five characters: one lowercase letter and four digits 0 – 9. How many...

Password consists of five characters: one lowercase letter and four digits 0 – 9. How many possible combinations for the password are there if digits can be repeated? How many possible combinations for the password are there if digits can not be repeated? What is a percentage of passwords with repeated digits?

7. How many different ways can the letters in “COUNT” be arranged? 8. How many different...

7. How many different ways can the letters in “COUNT” be arranged? 8. How many different ways can the letters in “PROBABILITY” be arranged? 9. A pizza restaurant offers 15 different toppings, but only allows customers to select up to four different toppings for each pizza. How many different ways are there for customers to choose up to four toppings for a pizza? 10. A youth soccer team consists of 12 players. When they have games, they play simultaneously on...

A teacher has 7 textbooks to arrange on a shelf. a) In how many ways can...

A teacher has 7 textbooks to arrange on a shelf. a) In how many ways can the 7 textbooks be arranged on the shelf? Answer b) If the textbooks are arranged at random, what is the probability that the textbooks will be arranged in alphabetical order? Enter your answer as a decimal, rounded to five decimal places.

How many ways can you create 3 letter permutations from MISSISSIPPI?

How many ways can a person toss a coin 7 times so that the number of...

How many ways can a person toss a coin 7 times so that the number of heads is between 4 and 6 inclusive?

(a) in how many different ways can a student check off one answer to each question?

(a) in how many different ways can a student check offone answer to each question?(b) in how many ways can a student check off oneanswer to each question and get all the answerswrong

6) A student committee has 15 members, including 7 from grade 12. In how many ways...

6) A student committee has 15 members, including 7 from grade 12. In how many ways can a 4 member subcommittee be formed if a. There are no restrictions, b. The subcommittee must be only grade 12s, c. The subcommittee must have only 2 grade 12s., and d. The subcommittee can have no more than 2 grade 12s?

1. From 7 consonants and 5 vowels,how many words can be formed consisting of 4 different...

1. From 7 consonants and 5 vowels,how many words can be formed consisting of 4 different consonants and 3 different vowels? The words need not have meaning. 2. In the game of poker5 cards are drawn from a pack of 52 well-shuffled cards. Find the probability that (a) 4 are aces, (b) 4 are aces and 1 is a king, (c) 3 are tens and 2 are jacks, (d) a nine, ten, jack, queen, king are obtained in any order,...

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