There are 8 books in a shelf that consist of 3 paperback books and 5 hardback books. If 4 books are selected at random without replacement, how many different combinations are there that at least one paperback book is selected?
Pick
A) 40 B) 45 C) 50 D) 55 E) 65
8C4 [Select any four] - 6C4 [Select all hard backs] =65.   65
<result>E</result>
There are 8 books in a shelf that consist of 3 paperback books and 5 hardback books. If 4 books are selected at random without replacement, how many different combinations are there that at least one paperback book is selected?