Question
It is claimed that Proactine, a new medicine for acne, is 70 percent effective. It is applied to the affected area of a group of
| It is claimed that Proactine, a new medicine for acne, is 70 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 |
| Probability |
| (b) | Fewer than 9 of 15 will show significant improvement |
| Probability |
| (c) | That 12 or more people will show significant improvement |
Probability
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Algebra 1
Authors: Mary P. Dolciani, Richard A. Swanson
(McDougal Littell High School Math)
9780395535899, 0395535891
