TI-83 Plus Inferential Statistics and Distributions 386
11. Press 3 to paste invNorm( to the home screen.
Press Ë 95 ¢ 165 Ë 1 ¢ 6 Ë 35 ¤ Í.
.95 is the area, 165.1 is µ, and 6.35 is σ.
The result is displayed on the home screen; it shows that five percent of
the women are taller than 175.5 centimeters.
Now graph and shade the top 5 percent of the population.
12. Press p and set the window variables to
these values.
Xmin=145 Ymin=L.02 Xres=1
Xmax=185 Ymax=.08
Xscl=5 Yscl=0
13. Press y = ~ to display the DISTR DRAW
menu.