show the equations and steps it took to get each answer through out the process please. Show the work for every step.

A valve for a hydraulic press has an average failure rate of once every six months. The press is to be used for a critical job that will require two weeks' operation during which a everything possible must be done so the press does not break down. What is the reli- ability of the valve during this period of operation? What are the options to increase its reliability 4. Bill Sorn supervises an an