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The manager of a computer help desk operation has collected enough data to conclude that the amount of time per call is normally distributed with
The manager of a computer help desk operation has collected enough data to conclude that the amount of time per call is normally distributed with a mean of 8.21 mins and a standard deviation of 2.14 mins.
- What is the probability a call will last longer than 13 minutes?
- a.About 0.9875
- b.About 0.5125
- c.Approximately 0.000
- d.About 0.0125
- e.Approximately 0.4875
Please refer to the scenario described above
- The manager has decided to have a signal system attached to each employee's phone that will emit a sound if an employee's callexceedsa particular time limit. The manager would like to set the time limit so the sound will occur on only 8 percent of all calls. The time limit should be set at:
- a.around 10.35 mins.
- b.around 12.49 mins.
- c.about 14.58 mins.
- d.about 11.37mins.
- e.approximately 5.19 mins.
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