GPA Is Approximately Normally Distributed For All Students That Have Been Accepted To UCLA. The Average Gpa Is 4.0 With Standard Deviation Of .2. What Percent Had A Gpa Above 4.1

Answer 1

mean 4.0

SD = 0.2

z score for 4.1 is 0.5

from z tables or a z score statistics calculator

the area under the curve is 0.1915 = 19.15% of the class has GPAs between 4.0 and 4.1

30.85% had GPAs above 4.1