# Question: a computer software retailer buys bulk packages of recordable compact...

###### Question details

A computer software retailer buys bulk packages of recordable compact discs. The manager of the store constructed the following partially complete table for the percentage distribution corresponding to the number of defective CDs in a package:

Defective CDs per package | 0 | 1 | 2 | 3 | 4 | 5 or more |

Percentage | 33.1 | 33.2 | ? | 11.2 | 6.5 | 6.7 |

Determine the

**probability**that a randomly selected package will contain between one and three (including both 1 and 3) defective CDs (3 decimal places).