Mail Delivery A local postal carrier distributes first-class letters, advertisements, and magazines. For a certain day, she distributed the following numbers of each type of item.
Delivered to | First-class letters | Ads | Magazines
--- | --- | --- | ---
Home | 302 | 382 | 179
Business | 711 | 1005 | 82
If an item of mail is selected at random, find the probability for the following. Round your answers to at least three decimal places.