SOLUTION: A).Suppose an exam consists of 8 true / false questions. If a student guesses randomly on each question , what is the probability of exactly 4 correct answers? B). If a student

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Question 1125588: A).Suppose an exam consists of 8 true / false questions. If a student guesses randomly on each question , what is the probability of exactly 4 correct answers?
B). If a student guesses randomly on each question, what are the odds in favor of 4 question correct?
Answer by ikleyn(52872)   (Show Source): You can put this solution on YOUR website!
.

I will answer question A) only. 

      =  =  = 0.2734 = 27.34%  (approximately).


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