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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