February 26, 2017

Homework Help: Statistics

Posted by Lyndyc on Thursday, December 5, 2013 at 8:16pm.

A normal distribution has a mean of ƒÝ = 100 with ƒã = 20. If one score is randomly selected from this distribution, what is the probability that the score will have a value between X = 90 and X = 110?
a. 0.6915
b. 0.3085
c. 0.1915
d. 0.3830

Answer This Question

First Name:
School Subject:

Related Questions

More Related Questions