Posted by **Anonymous** on Tuesday, June 19, 2012 at 2:48pm.

if there are 145 test questions, and the mean of the test scores for a class is 100 with a standard devation of 15, what percentage of the people taking the test would have the following scores: scored b/w 100 &115, scored b/w 100 & 115,scored b/w 0 & 100, scored b/w 0 & 145, or scored b/w 0 &85?

## Answer this Question

## Related Questions

- statistics! - 1) Entry to a certain University is determined by a national test...
- Math - Averages - The test average for Louis' calculus class is found by taking ...
- statistics - the correlation between two tests given to 100 students in the ...
- statistics - The test scores of students in a class test have a mean of 65 and ...
- Math - An aptitude test has a mean of 300 and a standard deviation of 40. The ...
- Math - Suppose scores on an IQ test are normally distributed. If the test has a...
- Math - Suppose scores on an IQ test are normally distributed. If the test has a ...
- Math Statistics - Answer the following. Show your work to get credit. Exam ...
- algebra 1 - You are taking a Spanish course in which there will be four test. ...
- statistics - The scores on a personality test are normally distributed with a ...