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Mathematics, 20.05.2021 19:30 ayoismeisalex

Peter takes a 6-question, multiple choice exam. Each question has five choices. Assume Peter guessed in all answers. Find the following probabilities: a) He answers all questions correctly.
b) He answers none right.
c) He answers at least one right.
d) He answers at most two right.
e) He answers two or three right.

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