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TI-83 Plus Inferential Statistics and Distributions 387
14. Press
Í
to paste
ShadeNorm(
to the home
screen.
Press
y
Z
¢
1
y
D
99
¢
165
Ë
1
¢
6
Ë
35
¤
.
Ans
(175.5448205 from step 11) is the lower
bound. 1
å
99 is the upper bound. The normal
curve is defined by a mean
µ
of 165.1 and a
standard deviation
σ
of 6.35.
15. Press
Í
to plot and shade the normal
curve.
Area
is the area above the 95th percentile.
low
is the lower bound.
up
is the upper bound.