Question

There are 10 questions on a true-false test. A student feels unprepared for this test and...

  1. There are 10 questions on a true-false test. A student feels unprepared for this test and randomly guesses the answer for each of these.
  1. What is the probability that student gets exactly 7 correct?
  2. What is the probability that student gets exactly 8 correct?
  3. What is the probability that student gets less than or equal 7 correct?
  4. What is the probability that student gets more than 6 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
There are 10 questions on a true-false test. A student feels unprepared for this test and...
There are 10 questions on a true-false test. A student feels unprepared for this test and randomly guesses the answer for each of these. What is the probability that student gets exactly 7 correct? What is the probability that student gets exactly 8 correct? What is the probability that student gets less than or equal 7 correct? What is the probability that student gets more than 6 correct?
A test consists of 10 true and false questions. To pass the test, a student must...
A test consists of 10 true and false questions. To pass the test, a student must answer at least seven questions correctly. If the student guesses each question, what is the probability (to four decimal places) that the student passes the test? : Answer. What is the mean and standard deviation of the number of correct answers? (results to two decimal places) Media: Answer
A student takes an exam containing 10 true or false questions. If the student guesses, what...
A student takes an exam containing 10 true or false questions. If the student guesses, what is the probability that he will get less than 6 but more than 3 questions right? Round your answer to four decimal places.
V Several psychology students are unprepared for a surprise true/false test with 8 questions, and all...
V Several psychology students are unprepared for a surprise true/false test with 8 questions, and all of their answers are guesses. μ= σ= Would guessing and getting at least 6 questions correct be unusual? Why or why not?
A test consists of 10 true and false questions. To pass the test, a student must...
A test consists of 10 true and false questions. To pass the test, a student must answer at least eight questions correctly. If the student guesses each question, what is the probability (to four decimal places) that the student passes the test? :. What is the mean and standard deviation of the number of correct answers? (results to two decimal places) Media: Standard deviation:
A student takes a true-false test that has 8 questions and guesses randomly at each answer....
A student takes a true-false test that has 8 questions and guesses randomly at each answer. Let X be the number of questions answered correctly. Find P(6 or more) 0.0352 0.6367 0.3633 0.1445
A student randomly guesses the answers to a 10 question true/false test. If there is a...
A student randomly guesses the answers to a 10 question true/false test. If there is a 50% chance of guessing correctly on each question, what is the probability that the student misses more than 5 question? 0.0313 0.6230 0.1532 0.276 0.9871
An exam consists of 10 true-or-false questions. If a student guesses at every answer, what is...
An exam consists of 10 true-or-false questions. If a student guesses at every answer, what is the probability that he or she will answer exactly 6 questions correctly? (Round your answer to three decimal places.)
A test consists of 5 true/false questions. To pass the test a student must answer at...
A test consists of 5 true/false questions. To pass the test a student must answer at least 4 questions correctly. If a student guesses on each question, what is the probability that the student will pass the test?
A student takes an exam containing 11 true or false questions if the student guesses what...
A student takes an exam containing 11 true or false questions if the student guesses what is the probability that he will get less than six but more than three questions right
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT