Question

A student takes an exam containing 14 multiple choice questions. The probability of choosing a correct...

A student takes an exam containing 14 multiple choice questions. The probability of choosing a correct answer by knowledgeable guessing is 0.5. If the student makes knowledgeable guesses, what is the probability that he will get exactly 3 questions right? Round your answer to four decimal places

0 0
Add a comment Improve this question Transcribed image text
Answer #1

n=14 P=0.5 this is the case of Binomial Distribution. P(X=x) = (2) pix ((-p) h-x P(x-3)=(14 ) (6.5) 3 (1.0.5) 14-3 10.0222 &

Add a comment
Know the answer?
Add Answer to:
A student takes an exam containing 14 multiple choice questions. The probability of choosing a correct...
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. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT