Wednesday
April 16, 2014

Homework Help: math

Posted by preston on Thursday, October 2, 2008 at 4:33pm.

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

First Name:
School Subject:
Answer:

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 on a Math exam was 50% and the standard deviation was 10...
stats - 2. A standardized exam was provided to all 3rd graders in Arizona ...
MATH - If the mean score on a set of 24 tests is 81and two more students took ...
Statistics - A group of 56 randomly selected students have a mean score of 30.8 ...
Statistics - Students were given an exam with 300 multiple-choice questions. The...
Stats - A group of 56 randomly selected students have a mean score of 30.8 and a...

Search
Members