T12.17 The Normal Distribution (Figure 12.11)
Probability
Return on large company stocks
68%
95%
> 99%
– 3 – 48.2%
– 2 – 27.9%
– 1 – 7.6%
0 12.7%
+ 1 33.0%
+ 2 53.3%
+ 3 73.6%
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