D You have just completed a reliability improvement test for a newly designed component to be used within a aero engine manufactured by a big multinational company. This component went through 500 operational hours of reliability improvement testing and during this period there were 10 failures, and consequently 10 repairs/replacements. These ten unscheduled repairs/replacement occurred at the following times: 0.6, 6.7, 19.2, 40.3, 51.5, 75, 197.1, 256.1, 491 and 496.6 hours. Apply a Power Law NHPP Model to this test data and to 3 decimal places, what is the unbiased estimate for the reliability growth slope of this model? Type your answer...