A small computing center has found that the number of jobs submitted per day to its computers has a distribution that is approximately bell shaped, with a mean of 76 jobs and a standard deviation of 7. Where do we expect most (approximately 95%) of the distribution to fall?
between 55 and 97 jobs per day
between 62 and 97 jobs per day
between 62 and 90 jobs per day
between 69 and 83 jobs per day