Soffía is studying civil engineering. Its department has 120 students. Grades are approximately normally distributed wit
Posted: Thu May 05, 2022 8:14 pm
Soffía is studying civil engineering. Its department has 120
students. Grades are approximately normally distributed with a mean
of 6.8 and a standard deviation of 0.9.
How many students have a grade point average of 0.7 standard
deviations below average?
a) about 43
b) about 10
c) about 29
d) about 80
students. Grades are approximately normally distributed with a mean
of 6.8 and a standard deviation of 0.9.
How many students have a grade point average of 0.7 standard
deviations below average?
a) about 43
b) about 10
c) about 29
d) about 80