SOLUTION: In a clinical trial, a drug used to reduce fever caused side effects in 9% of the patients who took it. For a new trial, three patients were selected at random. Find the probabilit

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Question 444838: In a clinical trial, a drug used to reduce fever caused side effects in 9% of the patients who took it. For a new trial, three patients were selected at random. Find the probability that none of those patients had side effects.
A. 0.27
B. 0.753571
C. 0.0081
D. 0.000729
Answer by htmentor(1343) About Me  (Show Source):
You can put this solution on YOUR website!
The probability that a patient DOES NOT have side effects = 1 - 0.09 = 0.91
The probability that all 3 did not have side effects is the product of the individual probabilities:
P(no side effects) = 0.91*0.91*0.91 = 0.753571
Ans: B