A manufacturer sells a light bulb that has a mean life of 1450 hours with a standard deviation of 33.7 hours. A new manufacturing process is being tested, and there is interest in knowing the mean life of the new bulbs. How large a sample is required so that ± is a 95% confidence

interval for ? You may assume that the change in the standard deviation is minimal.

Leslie Ogu ORSC 1109 04/27/2016 Organization Life Cycles Life Cycles 1. Emergence a. Contributions 2. MidLife 3. D & D a. APL b. Internal Worth Stages of Decline 1. Environment Change a. Erosion b. Collapse c. Contraction 2. Recognition a. Failure to anticipate b. Changes can be subtle 3. Response a. Mistake b. Too slow didn’t react fast enough c. The longer you wait, the harder it is to make changes 4. Evaluation (only if they can fix the problem) Organization Death ● Very complicated ● Culture Avoid / Recover from Death 1. Extensive Fo