In: Statistics and Probability
13. Calculate the expected loss EL if k = $22,000, sigma = 0.7 and D = 0.5.
14. A total of 10 units were tested over a 500-hour period. A total of 4 units failed after 10, 20, 70, and 400 hours. The other 6 did not fail during the 500-hour test. Calculate the failure rate.
15. The mean life of a diesel is 250,000 miles, with a standard deviation of 2,500 miles. What is the probability that it will wear out before 248,000 miles.
16. A component has a reliability of 0.99 for 600 hours of normal use. Determine the failure rate.