2.5 0 2.5, that is, the area under the standard normal curve between a = 2.5.
reach = 2.5 a = 0.4938 x 2 = 0.9876 = 98.76%.
Clause 4 of table space between = 0 and = 2.93 is 0.4983.
, and the area between = 1.5 to =. 0 equals 0.4332
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