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. 1å99 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.