In testing a new drug researchers found that 20 of all, Ask an Expert

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In testing a new drug, researchers found that 20% of all patients using it will have a mild side effect. A random sample of 15 patients using the drug is selected. Find the probability that:

(A) exactly four will have this mild side effect
(B) at least seven will have this mild side effect.

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Statistics and Probability, Statistics

Category:- Statistics and Probability
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