You’re the operations manager at an urban hospital and you’re evaluating a proposal from a hospital equipment company that manufactures oxygen delivery systems. The company is developing a new manifold that they promise will operate for two years before any possibility of a breakdown. As delivering oxygen 24/7 is a requirement, you’ve asked the company for the testing data on these manifolds. As they want your business they provided the following data on 10 manifolds that went through accelerated testing. The results are below.