SOLUTION: It is known that a certain drug causes side effects in 8% of patients. If we consider a random sampling of 18 patients, what is the probability less than two have the side effect?

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Question 1157873: It is known that a certain drug causes side effects in 8% of patients. If we consider a random sampling of 18 patients, what is the probability less than two have the side effect?
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
That is the probability of only 1 or none has the side effect.
Probability of none is 0.92^18=0.2229
probability of one is 18*.92^17*.08=0.3489
the answer is the sum 0.5718