Question

mean of 500 with a standard deviation of 100. What is the probability that a randomly selected score lies between 500 to 700?

Answer 1

Answer: 99.7% of data will fall within 3 standard deviations of the mean. The mean is 500 and the standard deviation is 100. ... Since we are only concerned with the scores from 500 to 700, we only want the half that is greater than the mean: 95/2 = 47.5%, or 0.475.:

Explanation: