Textbook publishers must estimate the sales of new(first-edition) books. The records indicate that10%of all new books sell more thanprojected,30%sell close to the numberprojected, and60%sell less than projected. Of those that sell more thanprojected,75%are revised for a secondedition, as are50%of those that sell close to the numberprojected, and25%of those that sell less than projected.

a. What percentage of books published go to a secondedition?

P(book goes to secondedition)=_____

(Round to two decimal places asneeded.)

b. What percentage of books published that go to a second edition sold less than projected in their firstedition?

P(booksoldlessthanprojected|bookgoestosecondedition)=______

(Round to three decimal places asneeded.)