February 28, 2017

Homework Help: math

Posted by devon on Friday, November 14, 2008 at 10:40pm.

A class of 43 students took an exam. Their mean grade average is 67 and standard deviation is 7.

a) how many students should get a C?
b) how many should get a B?
c) what score is necessary to get an A?

Answer This Question

First Name:
School Subject:

Related Questions

More Related Questions