Posted by **preston** on Thursday, October 2, 2008 at 2:52am.

42 students took a test in school where the passing score was 70. the mean score of the 42 students taking the exam was 75.5 while the mean score of the students who passed the test was 81, and the mean score of the students who failed was 60. How many students passed the test?

## Answer This Question

## Related Questions

- hard math - 42 students took a test in school where the passing score was 70. ...
- math algebra - 42 students took a test in school where the passing score was 70...
- math - 42 students took a test in school where the passing score was 70. the ...
- math - 42 students took a test in school where the passing score was 70. the ...
- Math - The mean score of the students who took a mathematics test was 6. Exactly...
- Math - The score for half of the students in a class on a certain test was 90. ...
- Statistics - Students were given an exam with 300 multiple-choice questions. The...
- Statistics - A group of 56 randomly selected students have a mean score of 30.8 ...
- Stats - A group of 56 randomly selected students have a mean score of 30.8 and a...
- statistics - 1. Suppose you administered an anxiety test to a large sample of ...

More Related Questions