3) A multiple-choice test has five questions, each with five choices for the answer. Only one of the choices is correct randomly guess the answer to each question. What is the probability that you answer: a)any two questions are correct? P b)at most two questions are correct? c) at least two questions are correct?
Added by Benjamin H.
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Since there are 5 choices for each question and only one is correct, the probability of guessing one question correctly is 1/5. Show more…
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