A multiple choice exam has 100 questions, each with 5 choices. If a student randomly guesses the answer to a question on the exam, what is the probability that he will get that answer correct?

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asked Jun 15, 2021 180k views

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A multiple choice exam has 100 questions, each with 5 choices. If a student randomly guesses the answer to a question on the exam, what is the probability that he will get that answer correct?

Mathematics
middle-school

Ajith M A asked

by Ajith M A

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If it’s just the probability of 1 question it would be 1/5 but if they guess on every question it’s 100/500

Ray Shan answered Jun 20, 2021

by Ray Shan

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