Saved Bookmarks
| 1. |
A room has three lamps .From a collectionof 10 light bulbs of which 6 are no good,a person selects 3 at random and puts the in socket.What is the probability that he will have the light? |
| Answer» A room has three lamps .From a collectionof 10 light bulbs of which 6 are no good,a person selects 3 at random and puts the in socket.What is the probability that he will have the light? | |