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14111cwir7ws.4 - 10 Ten people are selected at random What...

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8. Three cards are randomly selected from a deck of 52. What is the probability of selecting a pair (exactly two cards of the same rank)? 9. An exam consists of 8 multiple choice questions each have 5 choices. If a student randomly guesses on each question, what is the probability of the student passing the exam (i.e. answering at least 5 questions correctly?)
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Unformatted text preview: 10. Ten people are selected at random. What is the probability that at least two of the people in this group were born on the same day? (Assume that being born on each day is equally likely and that every year has 365 days.) 4...
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