Question

A student must answer five questions on a quiz that contains ten questions. How many ways...

A student must answer five questions on a quiz that contains ten questions. How many ways are there if the student must answer the first and last question?

Homework Answers

Answer #1

Solution :

Total number of questions = 10

Number of questions that must be answered = 5

First and last question must be answered. Hence, now we are left with total 8 questions out of which 3 questions must be answered.

Number of ways of selecting 3 questions to answer from 8 questions is given by,

Hence, there are total 56 ways if the student must answer the first and last question.

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A student is asked to answer seven of ten questions on a test. How many different...
A student is asked to answer seven of ten questions on a test. How many different ways can a selection of questions occur if: a) there are no restrictions? b) if there are five questions that must be answered? (5 questions must be done so you have to do 2 of the last 5)
How many ways can a student do a ten-question true-false exam if he or she can...
How many ways can a student do a ten-question true-false exam if he or she can choose not to answer any number of questions?
A student takes a ten-question true-false quiz, but did not study and randomly guesses each answer....
A student takes a ten-question true-false quiz, but did not study and randomly guesses each answer. Find the probability that the student passes the quiz with a grade of at least 40% of the questions correct. (Round your answer to three decimal places.)
A student takes a ten-question true-false quiz, but did not study and randomly guesses each answer....
A student takes a ten-question true-false quiz, but did not study and randomly guesses each answer. Find the probability that the student passes the quiz with a grade of at least 50% of the questions correct. (Round your answer to three decimal places.)
A student has just been given a 10-question multiple-choice quiz. Each question has five answers, of...
A student has just been given a 10-question multiple-choice quiz. Each question has five answers, of which only one is correct. The student has not attended class recently, and doesn't know any of the answers. Assume that guesses are made on all ten questions, find the indicated probability. (Round your answer to three decimal places.) What is the probability that the student will answer all questions incorrectly?
A student is taking a multiple-choice quiz in which each question has five possible answers, exactly...
A student is taking a multiple-choice quiz in which each question has five possible answers, exactly one of which is correct. He knows 85% of the material being tested. Assume the teacher has chosen the questions independently and at random from among all the questions she could have chosen. When the student knows the correct answer to a given question, he has a 98% chance of marking it correctly. When he does not know the answer, he answers by marking...
A quiz consists of 15 multiple-choice questions. Each question has 5 choices, with exactly one correct...
A quiz consists of 15 multiple-choice questions. Each question has 5 choices, with exactly one correct choice. A student, totally unprepared for the quiz, guesses on each of the 15 questions. a. How many questions should the student expect to answer correctly? b. What is the standard deviation of the number of questions answered correctly? c. If at least 7 questions must be answered correctly to pass the quiz, what is the chance the student passes?
A geography test consists of ten ​true-false questions followed by ten ​multiple-choice questions, which contain three...
A geography test consists of ten ​true-false questions followed by ten ​multiple-choice questions, which contain three responses each. Each question on the test has only one correct response. How many different ways can a student respond to the 20 questions on this​ test? We will assume that the student will not leave any questions blank. ___ways *DISCRETE MATH QUESTION
In how many ways can a student select 8 out of 10 questions to work on...
In how many ways can a student select 8 out of 10 questions to work on an exam?
A short statistics quiz consists of two multiple choice questions. Each question had four possible answer...
A short statistics quiz consists of two multiple choice questions. Each question had four possible answer choices (A, B, C, and D). a. Make a list of the possible answer keys for the quiz or make a tree diagram for them. b. How many possible answer keys are there? c. If a student guesses at random for both questions, what is the probability they get both questions right? d. What is the probability that C was not the correct answer...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT