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78 • using ansys for finite eLement anaLysis
1
0.5
0
Probability 0.5 1 0
1
0.5
0
-4 -3 -2 -1 0 1 2 3 4
X
Figure 3.3. The normal cumulative distribution function (cdf).
3.2.1 gALLeRy oF CoMMon ConTinUoUS DiSTRibUTionS
There are a large number of distributions used in statistical applications.
Detailed information on a few of the most common distributions is avail-
able as follows.
0.4
0.35
0.3
0.25
Probability 0.15
0.2
0.1
0.05
0
-5 -4 -3 -2 -1 0 1 2 3 4 5
X
Normal distribution
2
1.8
1.6
1.4
Probability 1.2 1
0.8
0.6
0.4
0.2
0
0 1 2 3 4 5 6 7 8 9 10
X
Uniform distribution
