Page 1 of 1
The mathematics section of a standardized college entrance exam had a mean of 22.5 and an SD of 5.9 for a recent year. A
Posted: Wed May 11, 2022 5:29 pm
by answerhappygod
- The Mathematics Section Of A Standardized College Entrance Exam Had A Mean Of 22 5 And An Sd Of 5 9 For A Recent Year A 1 (69.58 KiB) Viewed 31 times
The mathematics section of a standardized college entrance exam had a mean of 22.5 and an SD of 5.9 for a recent year. Assume these are well modeled by a Normal distribution. a) About what percent of students scored over 33? b) About what percent of students scored under 20? c) About what percent of students scored between 20 and 33? a) About % of students scored over 33 (Round to two decimal places as needed.) b) About % of students scored under 20 (Round to two decimal places as needed.) c) About % of students scored between 20 and 33. (Round to two decimal places as needed.)