Homework Help: statistics

Posted by Robbie on Sunday, October 14, 2012 at 12:09am.

A vertical line is drawn through a normal distribution at z = 0.50, and separates the
distribution into two sections. What proportion of the distribution is in the larger section?
a. 0.6915
b. 0.3085
c. 0.1915
d. 0.3830

statistics - David Q/R, Sunday, October 14, 2012 at 1:04pm
You don't even need a set of Normal tables to answer this one. Just remember that the total area under the curve is 1; note that you've been asked to find the proportion of the distribution in the larger section, and then look at the four options. How many answers greater than 0.5 are listed?

Answer this Question

Related Questions

Statistics - Which of the following statements are correct? 1.A normal ...
statistics - Which of the following statements are correct? a. a normal ...
Statistics - 1. Which of the following statements are correct? a. A normal ...
statistics - which of the following statements are correct? a. a normal ...
statistics - Which of the following statements are correct? a. A normal ...
AP Statistics - As the degrees of freedom for the t-distribution increase, the ...
Statistics - A mathematically defined curve that is the comparison distribution ...
Statistics - As the degrees of freedom for the t-distribution increase, the ...
statistics - In a normal distribution with the mean being 500 and the standard ...
statistics - In a normal distribution with the mean being 500 and the standard ...

For Further Reading

First Name:
School Subject:
Answer: