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11. (8 points) A new drug for hay fever is known to be successful in 40% of cases. 10 hay fever sufferers take part in

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11. (8 points) A new drug for hay fever is known to be successful in 40% of cases. 10 hay fever sufferers take part in the testing of the drug. SHOW YOUR WORK FOR ALL PARTS! (a) What is the probability that exactly 4 people are cured? (b) What is the probability that at most 3 people are cured? (c) What is the probability that at least 7 people are cured

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