A small computing center has found that the number of jobs submitted per day to its computers has a distribution that is approximately mound-shaped and symmetric, with a mean of 69 jobs
And a standard deviation of 8. Where do we expect approximately 95% of the distribution to fall?
A)between 45 and 93 jobs per day
B)between 85 and 93 jobs per day
C)between 53 and 85 jobs per day
D)between 61 and 77 jobs per day

Question

Quizplus · Accepted Answer

Approximately 95% of the data in a normal distribution falls within two standard deviations of the mean. Here, the mean is 69 and the standard deviation is 8, so 69 ± 2(8) gives the range 53 to 85.

A Small Computing Center Has Found That the Number of Jobs