Standard Normal Distribution

Click on the icon ] on the bottom left corner of the applet above to display left-tailed probability. Slide the left and right position markers on the x-axis to find the value of such that .

Click on the icon [ on the applet above to display right-tailed probability. Slide the position marker on the x-axis to find the value such that

What do you observe about the values and ?

In general, we have for any real number .