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Problem 21

Many states run lotteries to raise money. A Web s…


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Problem 20

A friend of yours who took the multiple choice quiz in Exercise 19 got all 6 questions right, but now claims to have guessed blindly on every question. If each question offered 4 possible answers, do you believe her? Explain, basing your argument on a simulation involving at least 10 trials.


there is about 0$\%$ chance of getting all the questions right



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