Working with your team, you will complete and use an FTA to redesign a simple system to meet a customer's criteria. Review the diagram of the simple electrical doorbell. This system is comprised of three basic components: the bell and clapper, the button, and the power supply. Each component has a failure rate of 1 in 1000 operations, or . Because you only need one of these components (OR gate) to fail for the system to fail, the probability of this system's failure is