When Mrs. Myles gave a test, the scores were normally distributed with a mean of 72 and a standard deviation of 8. About 68% of her students scored between whic
Mathematics
Khip
Question
When Mrs. Myles gave a test, the scores were normally distributed with a mean of 72 and a standard deviation of 8. About 68% of her students scored between which two scores?
1 Answer

1. User Answers Anonym
For a normal distribution about
68% corresponds to one standard deviation either side of the mean so the required scores are
64 to 80.