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9 December, 23:17

suppose the commute times for employees of a large company follow a normal distribution. if the mean time is 18 minutes and the standard deviation is 5 minutes, 95% of the employees will have a travel time within which range A. 13 mins to 23 mins B. 3 mins to 33 mins c 8mins to 28 mins D 13.25 and 22.75

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Answers (2)
  1. 10 December, 00:15
    0
    Answer: 8 minutes to 28 minutes

    Step-by-step explanation:

    To include 95% of all employees, it will be 2 standard deviations from the mean. Two above and two below. Each is 5 min. So add 10 and subtract 10 from 18.

    On the Gaussian Curve, about 68.3% are included within the first standard deviation above and below the mean. Then about 27.2% are added in the second standard deviation.
  2. 10 December, 00:30
    0
    Answer:I think A

    Step-by-step explanation:

    Hopefully I am right
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Home » Mathematics » suppose the commute times for employees of a large company follow a normal distribution. if the mean time is 18 minutes and the standard deviation is 5 minutes, 95% of the employees will have a travel time within which range A. 13 mins to 23 mins B.
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