188 Fundamentals of Statistics
Notice the two horizontal scroll bars below the chart. You’ll use these to
set the range boundaries on the PDF curve. Use them now to select the range
from 2 1 to 1 on the curve.To set the range boundaries on the PDF curve:1 Click or drag the scroll button of the bottom scrollbar until the right
boundary equals 1.
2 Click or drag the scroll button arrow of the top scrollbar until the
left boundary equals 2 1.
Figure 5-5 shows the PDF with the range from 2 1 to 1 selected.
The area of this range is equal to 0.6827.Figure 5-4
The
Probability
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