In: Math
Based on data from a college, scores on a certain test are normally distributed with a mean of 1518 and a standard deviation of 324.
Standard score Percent
-3.0 0.13
-2.5 0.62
-2 2.28
-1.5 6.68
-1 15.87
-0.9 18.41
-0.5 30.85
-0.1 46.02
0 50.00
0.10 53.98
0.5 69.15
0.9 81.59
1 84.13
1.5 93.32
2 97.72
2.5 99.38
3 99.87
3.5 99.98
Find the percentage of scores greater than
2166
Find the percentage of scores less than
1194
Find the percentage of scores between
870
and
1680.