- Access to
**800,000+**Textbook Solutions - Ask any question from
**24/7**available

Tutors **Live Video**Consultation with Tutors**50,000+**Answers by Tutors

Proactine a new medicine for acne is claimed by the

Proactine, a new medicine for acne, is claimed by the manufacturer to be 80% effective. It is applied to the affected area of a sample of 15 people. What is the probability that:

a. All 15 will show significant improvement?

b. Fewer than 9 of 15 will show significant improvement?

c. 12 or more people will show significant improvement?

a. All 15 will show significant improvement?

b. Fewer than 9 of 15 will show significant improvement?

c. 12 or more people will show significant improvement?

Membership
TRY NOW

- Access to
**800,000+**Textbook Solutions - Ask any question from
**24/7**available

Tutors **Live Video**Consultation with Tutors**50,000+**Answers by Tutors

Relevant Tutors available to help