October 25, 2016

Homework Help: statistics

Posted by kelly on Saturday, February 9, 2013 at 3:43pm.

the mean scale score on the mathematics examination of ninth grade students in new york state was 86 with a standard deviation of 5 points. Given a student was selected at random what is the probabilty that his score was 91 or higher?

Answer This Question

First Name:
School Subject:

Related Questions

More Related Questions