Saved Bookmarks
| 1. |
A manufacturer has three machine operators A, B and C. The first operator A produces. 1% defective items, whereas the other two operators B and C produce 5% and 7% defective items respectively. A is on the job for 50% of the time, B is on the job for 30% of the time and C is on the job for 20% of the time. A defective item is produced. What is the probability that it was produced by A? |
|
Answer» |
|