Question

Imagine taking a multiple choice test with 20 questions. On each question there are 5 possible...

Imagine taking a multiple choice test with 20 questions. On each question there are 5 possible answers to choose from and only one is right. Sadly, you have no idea how to do any of the questions so you guess on all 20

(i) Stating your assumptions

(ii) defining the random variable,

(iii) calculate the exact probabilities that you pass the test (get at least 10 correct)

(iv) calculate the approximate probabilities that you pass the test (get at least 10 correct)

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
If an individual is taking a 20 question multiple choice test, and they guess on each...
If an individual is taking a 20 question multiple choice test, and they guess on each question, making the probability of getting any one question correct is 25%.   What is the expected number of questions out of those 20 that an individual gets correct, and what is the variance? What is the probability of getting exactly 8 questions correct? What is the probability of getting at least one question correct i.e.
2. You are taking a 33 question multiple choice test, each question with 4 choices. Assume...
2. You are taking a 33 question multiple choice test, each question with 4 choices. Assume that getting 23 questions or more, correct, will result in a passing grade on the test. Complete parts (a), (b), and (c). (a) If you randomly guess on a single question, what is the probability that you will get that question correct? (b) If you randomly guess on all 33 questions, what is the probability that you will pass? (c) About what number of...
A test has 5 multiple choice questions with 4 choices with one correct answer each. if...
A test has 5 multiple choice questions with 4 choices with one correct answer each. if we randomly guess on each of the 5 questions, whatvis the probability that you get at least 1 question correct?
MC1701: A test consists of 10 multiple choice questions, each with five possible answers, one of...
MC1701: A test consists of 10 multiple choice questions, each with five possible answers, one of which is correct. To pass, a student must get at least 6 correct on the test. If a student randomly guesses at every question, what is the probability that the student fails the test? a. 2.6% b. 20% c. 80% d. 97.4% e. 99.4% f. None of these
A mathematics teacher gives a test with seven extremely difficult multiple choice questions. Each question has...
A mathematics teacher gives a test with seven extremely difficult multiple choice questions. Each question has 5 possible answers.You have no idea what the correct answers are, so you randomly guess the answer to each question. Use an appropriate probability distribution to determine the probability that you will pass the test (over 50%).
On a Multiple Choice test, each question has six possible answers. If you make a random...
On a Multiple Choice test, each question has six possible answers. If you make a random guess on all 10 questions, what is the probability that you are going to get 8 out of 10 correct?
When taking a 10 question multiple choice test, where each question has 4 possible answers, it...
When taking a 10 question multiple choice test, where each question has 4 possible answers, it would be unusual to get or more questions correct by guessing alone. whole number
A test consists of 10 multiple choice questions, each with five possible answers, one of which...
A test consists of 10 multiple choice questions, each with five possible answers, one of which is correct. To pass the test a student must get 60% or better on the test. If a student randomly guesses, what is the probability that the student will pass the test? Please show work
Suppose that you are taking a multiple choice test (consisting of only 4-answer-choice questions) for which...
Suppose that you are taking a multiple choice test (consisting of only 4-answer-choice questions) for which you have mastered 60% of the material. When you actually take the test, if you know the answer of a question, then you will answer it correctly for sure; if you do not know the answer, however, you can still guess the answer (meaning that you will have 25% chance of getting the correct answer). Finally, assume that your answer to each question is...
When taking a 15 question multiple choice test, where each question has 4 possible answers, it...
When taking a 15 question multiple choice test, where each question has 4 possible answers, it would be unusual to get  or more questions correct by guessing alone. Give your answer in the box above as a whole number.
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT