Online College Courses for Credit

How to use Statdisk and a normal table to find critical value

How to use Statdisk and a normal table to find critical value

Author: mary daunis

to illustrate the solution to this problem using both Statdisk and the table in your text

A 99.5% confidence interval is pictured as the area in the HUMP of the normal curve - what is left is the area in the two TAILS combined. Each TAIL has half of this remaining area, and that is where ALPHA/2 comes from.

See More

Try Our College Algebra Course. For FREE.

Sophia’s self-paced online courses are a great way to save time and money as you earn credits eligible for transfer to many different colleges and universities.*

Begin Free Trial
No credit card required

46 Sophia partners guarantee credit transfer.

299 Institutions have accepted or given pre-approval for credit transfer.

* The American Council on Education's College Credit Recommendation Service (ACE Credit®) has evaluated and recommended college credit for 33 of Sophia’s online courses. Many different colleges and universities consider ACE CREDIT recommendations in determining the applicability to their course and degree programs.


Solution to 7.6#2

How to use the table or Statdisk to find the z score for a 99.5% confidence interval -

Source: Triola