220.127.116.11 - Video Example: Proportion Between z -2 and +2
Question: What proportion of the z distribution is between -2 and 2?
- On a PC: from the menu select STATISTICS > Distribution Plot
On a Mac: from the menu select Statistics > Probability Distributions > Distribution Plot
- Select Display Probability (Note: The default is the standard normal distribution)
- Select A specified X value
- Select Middle
- For X value 1 enter -2 and for X value 2 enter 2