A Small Computing Center Has Found That the Number of Jobs

Multiple Choice

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