Question: 1. Crager company tested 100 products for 50 hours each. During the test, three breakdowns occurred. Compute the number of failures per hour and MTBF.
2. Suppose a product is designed to function for 10,000 hours with a 3% chance of failure. Find the average number of failures per hour and the MTTF.
3. Suppose a product is designed to function for 100,000 hours with a 1% chance of failure. Suppose six of these are in use at a facility. Find the average number of failures per hour and the MTTF.