A system has an MTBF of 475 hours. It must perform a mission lasting 50 hours. What is the system's mission reliability in percent (to the nearest whole percent - do not include the percent sign)?
What are the things that adding redundancy to a system can accomplish? Choose all that apply
1. Reduce the number of failures that have to be repaired.
2. Reduce the cost of building a product.
3. Reduce the chances of the most critical failures happening during a mission.
4. Reduce the chance of not being able to complete a mission due to a failure
5. Reduce the cost of supporting a system over its lifetime.