Managing for Quality and Performance Excellence 10th Edition by James Evans ,William Lindsay

تمرين 27

Note: Data sets for several problems are available in the Excel workbook C07Data in the Student Companion Site for this chapter. Click on the appropriate worksheet tab as noted in the problem (e.g., Prob. 7-5, etc.) to access the data.
An electronic component in a satellite radio made by Spacescope, Inc. has a failure rate of ? = 0.0000165 units/hour. Find the mean time to failure (MTTF). What is the probability (assuming an exponential probability distribution) that the component will not have failed after 15,000 hours of operation? Calculate your answer using the appropriate mathematical formula and verify your result using Excel.