SOLUTION: In testing a new drug, researchers found that 1% of all patients using it will have a mild side effect. A random sample of 15 patients using the drug is selected. Find th eprobabil

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Question 361095: In testing a new drug, researchers found that 1% of all patients using it will have a mild side effect. A random sample of 15 patients using the drug is selected. Find th eprobability that:
A.) exactly one will have this mild side effect.
B.) at least one will have this mild side effect.

Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
Let x=.99 and y=.01
(x+y)^15
A) 15x^14y=.1303 exactly one will have this mild side effect.
.
B x^15=.8601 none will have side affects.
1-.8601=.1399 at least one will have this mild side effect.
.
Ed