SOLUTION: A multiple-choice quiz has 5 questions each with four (4) choices. You have no idea what the correct answer is to any question so you decide to guess each answer. The probability o

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Question 1032316: A multiple-choice quiz has 5 questions each with four (4) choices. You have no idea what the correct answer is to any question so you decide to guess each answer. The probability of answering at least one question correctly is
A. 0.24
B. 0.25
C. 0.5
D. 0.76
E. 0.06

Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
If a choice has to be made for each question (discounting any unanswered questions), the probability is 1+-+%283%2F4%29%5E5+=+0.7627, to four significant figures. This is closest to D. 0.76.