October 5, 2015

Homework Help: statistics

Posted by mom on Sunday, October 7, 2012 at 9:46am.

. 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 three will have this mild side effect
(B) at least six will have this mild side effect

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