SOLUTION: You guess on six true-or-false questions. What is the probability that you guess exactly two answers correctly?
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Question 819319: You guess on six true-or-false questions. What is the probability that you guess exactly two answers correctly?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
You guess on six true-or-false questions. What is the probability that you guess exactly two answers correctly?
--------
P(x = 2) = 6C2(1/2)^6 = 15/64
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Cheers,
Stan H.
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