SOLUTION: Van guessed on all 8 questions of a multiple-choice quiz. Each question has 4 answer choices. What is the probability that he got exactly 1 question correct? Round the answer to th
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Question 1034061: Van guessed on all 8 questions of a multiple-choice quiz. Each question has 4 answer choices. What is the probability that he got exactly 1 question correct? Round the answer to the nearest thousandth.
You can put this solution on YOUR website! probability he guesses right is 0.25
Getting one question right can be 8C1 or 8 ways.
P(1)=8(0.25)^1*0.75^7=0.2670 or 0.267 to nearest thousandth.
