<PRE><B>Question 188714</B>
A drug used to reduce high blood pressure produces side effects in 4% of the patients. Three patients who have taken the drug are selected at random. What is the probability that: 
A. they all had side effects.
Ans: 0.04^3 = 0.000064
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B. none of them had side effects 
Ans: (1-0.04)^3 = 0.96^3 = 0.8847
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Cheers,
Stan H.
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