The outside
of the data represents the top
and the bottom
of the distribution.
Draw the normal distribution for outside
of the data.

Area of the first pink region is
.
Area of the first pink and white region is
.
To find the
-scores that corresponds to the 0.125 and 0.875.
Evaluate the
-score for percentage of area using TI-84 calculator.
For the top
,
Follow these steps to evaluate
-score for top
,
1. Select
.

2. Enter area in decimals.
\
3. Now press Enter in calculator to view answer.
\
Repeat the same process for 0.875.
\
Therefore interval that represents outside of
of the data is
or
.
Interval that represents outside of
of the data is
or
.