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Mathematics, 22.08.2019 13:30 wxvvyyyy

You study for an exam, but due to the fact that you waited too long, you only learn 60% of the material. the exam is all multiple choice, with each question having 5 choices.
a) if you come across a question for which you don't know the answer, what's the probability of getting the answer right?
b) if you come across a question for which you do know the answer, what's the probability of getting it right?
c) what is the overall probability of getting any question correct?

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