Question

Based on data from a college, scores on a certain test are normally distributed with a mean of 1549 and a standard deviation of 324.

Find the percentage of scores less than 1063. ____ % ( round to two decimal places as needed).

Data table standard scores and Percentiles for a Normal Distribution (Cumulative values from the left)

Standard scores % Standard Score %

-3.0 0.13% 0.1 53.98

-2.5 0.62% 0.5 69.15

-2 2.28% 0.9 81.59

-1.5 6.68% 1 84.13

-1 15.87 % 1.5 93.32

-0.9 18.41 % 2 97.72

-0.5 30.85 % 2.5 99.38

-0.1 46.02 % 3 99.87

0 50 % 3.5 99.98

Answer 1