120 students. Grades are approximately normally distributed with a mean of 6.8 and a standard deviation of 0.9. How many
Posted: Thu May 05, 2022 8:15 pm
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) 80
b) 10
c) 43
d) 29
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) 80
b) 10
c) 43
d) 29