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It is claimed
that Proactine, a new medicine for acne, is 75 percent effective. It is
applied to the affected area of a group of 15 people. Calculate the
probability for the following (Round your
answers to 3 decimal places):
|
(a)
|
All 15 will show significant
improvement
|
|
(b)
|
Fewer than 9 of 15 will show
significant improvement
|
|
(c)
|
That 12 or more people will show
significant improvement
|
Probability
