(a) Calculate the fraction of bulbs in Figure 4-1 expected to have a lifetime greater
Chapter 4, Problem 4-4(choose chapter or problem)
(a) Calculate the fraction of bulbs in Figure 4-1 expected to have a lifetime greater than 1 005.3 h. (b) What fraction of bulbs is expected to have a lifetime between 798.1 and 901.7 h? (c) Use the Excel NORMDIST function to find the fraction of bulbs expected to have a lifetime between 800 and 900 h.
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer