Saturday
December 20, 2014

Homework Help: Statistics

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

A normal distribution has a mean of = 100 with = 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:
Answer:

Related Questions

statistics - A normal distribution has a mean of = 100 with standard deviation...
statistics - True or False If one score is randomly selected from a normal ...
statistics - A normal distribution has a mean of 100 and standard deviation of ...
algebra - A normal distribution has a mean of 98 and a standard deviation of 6. ...
AP Statistics - Sampling Distribution Help - The composite scores of students on...
AP Statistics - sampling distribution help - The composite scores of students on...
Math - A normal distribution has a mean of 20 and a standard deviation of 3.What...
Statistics - The Wechsler Adult Intelligence Scale (WAIS) is a common "IQ test" ...
Statistics - Suppose that the probability distribution of a random variable x ...
statistics - Assume a binomial probability distribution has p = .60 and n = 200...

Search
Members