Chapter 9: The Normal Probability Distribution
391
Figure 9-31:
Area and probability value for
P
(
z
-1.79)
If we use the
-tables for values between 0 and some
-value, we can use the
symmetric property of the distribution and find the area between 0 and 1.79.
This value is 0.4633. Thus, the total area to the right of -1.79 will be 0.4633
+ 0.5 = 0.9633. See
Figure 9-32
.
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