# SOLUTION: 5. In testing a new drug, researchers found that 5% of all patients using it will have a mild side effect. A random sample of 12 patients using the drug is selected. Find the proba

Algebra ->  Algebra  -> Probability-and-statistics -> SOLUTION: 5. In testing a new drug, researchers found that 5% of all patients using it will have a mild side effect. A random sample of 12 patients using the drug is selected. Find the proba      Log On

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 Question 309143: 5. In testing a new drug, researchers found that 5% of all patients using it will have a mild side effect. A random sample of 12 patients using the drug is selected. Find the probability that: (A) exactly three will have this mild side effect (B) at least two will have this mild side effect.Answer by stanbon(57337)   (Show Source): You can put this solution on YOUR website!In testing a new drug, researchers found that 5% of all patients using it will have a mild side effect. A random sample of 12 patients using the drug is selected. ------------------- Binomial Problem with n = 12 ; p = 0.05 ----------------------------- Find the probability that: (A) exactly three will have this mild side effect P(x=3) = 0.05^3 = 0.125 -------------------------------------------------- (B) at least two will have this mild side effect. P(2<=x<=12) = 1 - P(0<= x <=1) = 0.1184 ==================================================== Cheers, Stan H.