Suppose that a book will be selected at random from these 91 total books.
Find the probability that the book is:
1. Detective novel ___ 2 hard cover book ____ 3. a paperback detective novel _____
4. A paperback or a detective novel ____ 5. Not a detective novel ______
Fill in the blanks using answers as decimals rounded to the hundreds
+128474 Hardcover Paperback Total
Detective Novels 12 20 32
Romance Novels 8 28 36
Other 9 14 23
Total 29 62 91
1. Detective Novel = 32 / 91 = .35
2. Hardcove Book = 29 / 91 = .32
3. Paperback Detective Novel = 20/91 = .22
4. Paperback or Detective Novel = [ 62 + 32 - 20] / 91 = 74/91 = .81
5. Not a Detective novel = [ 36 + 23 ] / 91 = 59/91 = .65
