Question: Two samples of electronic components were tested in two different testing conditions see results below (Consider YZ = 70). The first test at 353K was

Two samples of electronic components were tested in two different testing conditions see results below (Consider YZ = 70). The first test at 353K was suspended after 250 hrs. Estimate:

(a) The 90% two sided intervals for the MTTF for each of the temperatures. (b) The one sided confidence interval for the MTTF for both 90% and 95% confidence. (c) Based on the one-sided values, find the reliabilities at 100 hrs for both confidences and temperatures, assuming constant failure rate.

Two samples of electronic components were tested in two different testing conditions

353K (80 degrees C) 55h FAIL 63h FAIL 80h FAIL (110+YZ)h FAIL 250 h SUSPENDED 373K (100 degrees C) 13 h FAIL 15 h FAIL 30 h FAIL 41 h FAIL 57 h FAIL 93 h FAIL 100+YZ/10 h FAIL 353K (80 degrees C) 55h FAIL 63h FAIL 80h FAIL (110+YZ)h FAIL 250 h SUSPENDED 373K (100 degrees C) 13 h FAIL 15 h FAIL 30 h FAIL 41 h FAIL 57 h FAIL 93 h FAIL 100+YZ/10 h FAIL

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