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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.