Question 6

Censoring of data occurs when
Response:
  • Question 7

    When failed field item are returned for failure investigation, which of the following steps should be taken first?
    Response:
  • Question 8

    When testing is establish failure rate data and reliability predictions, which of the following is NOT normally a feasible acceleration factor with respect to rated conditions?
    Response:
  • Question 9

    A life test was conducted on 10 units of a product. The average failure time of the units is 100 hours, and the standard deviation is 5 hours. If the failure time follows a normal distribution, what is the 90% confidence interval of the mean failure time for this product?
    Response:
  • Question 10

    The predicted reliability is higher than the long term realized probability. Which of the following is the MOST likely cause of this difference?
    Response: