### Possible Answer

In statistics, the so-called 68–95–99.7 rule is a shorthand used to remember the percentage of values that lie within a band around the mean in a normal ... of the values lie within one, two and three standard deviations of the mean, respectively . ... or Pr(x ≤ μ + 2σ) ≈ 0.9772, corresponding to a prediction interval of (1 − (1 ... - read more

68% of the distribution lies within one standard deviation of the mean. ... 1. Find the percentage of the normally distributed data that lies within 2 standard ... - read more

Please vote if the answer you were given helped you or not, thats the best way to improve our algorithm. You can also submit an answer or search documents about what percentage is within 1 standard deviation of the mean.