Reference no: EM131396193

A company wishes to evaluate the effectiveness of a marketing campaign. Seventy five percent of all potential professors were reached in a focused advertising program. Twenty eight percent of those contacted adopted the book while 8% of the adoptions came from professors who did not receive the promotional material. Define the following events of interest:

A1 = Professor received advertising material

A2 = Professor did not receive advertising material

B1 = Professor adopts the book

B2 = Professor does not adopt the book

1. What is the probability that a professor who does not receive advertising material has not adopted the book?

A) 0.92

B) 0.08

C) 0.25

D) 1

2. What is the probability that a professor who adopts the book received the advertising material?

A) 0.913

B) 0.21

C) 0.23

D) 0.87

3. What is the probability that a professor who adopts the book has not received the advertising material?

A) 0.913

B) 0.21

C) 0.23

D) 0.87