SOLUTION: a true-or-false quiz has five questions. Use a simulation or a sample space to find the probability of guessing at random and getting three correct answers
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Question 866993: a true-or-false quiz has five questions. Use a simulation or a sample space to find the probability of guessing at random and getting three correct answers Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! a true-or-false quiz has five questions. Use a simulation or a sample space to find the probability of guessing at random and getting three correct answers
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Sample space has 2^5 = 32 elements.
# of elements with 3 correct answers:: 5C3 = 5C2 = 10
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P(3 correct) = 10/32 = 5/16
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Cheers,
Stan H.
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