A system fails 200 times in 8,000 hours of operation. The MTBF of the system is ______.
a. 40 hours
b. 29 hours
c. 32 hours
d. 55 hours
a. 40 hours
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During a time study, the following times were observed for a particular job using the continuous (non-snapback) method: 22, 51, 72, 98, 128, and 150 seconds. There is only one element per cycle
The sample standard deviation of the observed times has already been computed as 3.9 seconds. If an estimate for the average time that is within 4 percent of the true long-range average 95 percent (z = 1.96 ) of the time is desired, how many additional observations are needed? A) fewer than or equal to 40 B) greater than 40 but fewer than or equal to 55 C) greater than 55 but fewer than or equal to 70 D) greater than 70
When difficult people are ignored, they tend to stop their bad behavior.
Answer the following statement true (T) or false (F)
Kathryn was bullied as a child and later married a man who lied and stole money from her. Kathryn is not likely to demonstrate ________ trust.
A. disposition-based B. affect-based C. organizationally based D. justice-based E. cognitive-based
How is culture transmitted?
a. mental programming b. symbolic gestures c. the spoken and written word d. b and c