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OpenStudy (anonymous):
Imagine taking a 10-question true or false exam. You randomly guess at each question. Don't do any calculations, just tell me your first impressions a). Is this a binomial setting? b) How many question do you think you would get correct? c). How surprised would you be if you passed ( 6 out of 10 correct or better) the exam? d) How surprise would you be if you got an "A" on the exam (9 or 10 out of 10)?
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