Posted by **Anonymous** on Friday, March 7, 2014 at 5:27am.

11. A Certification Exam containing 20 true and false questions. If a student guesses at the answer to each question, what is the probability that she/he will get exactly 14 correct?

- math -
**bobpursley**, Friday, March 7, 2014 at 6:05am
pr=(1/2)^20

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