Approximately _____ of the scores in a normal distribution fall farther than 2 standard deviation units from the mean.
a. 5 c. 70
b. 50 d. 95
Question 2
In the normal distribution, approximately _____ of the scores fall between one standard deviation unit below the mean and one standard deviation unit above the mean.
a. 5 c. 70
b. 50 d. 95