Extended Standard Normal Table
  z         P(Z < z)                         P(Z > z)   = same in scientific notation: E-03 = 10-3
3.00   .9986501019683700    .0013498980316301    1.35E-03
4.00   .9999683287581670    .0000316712418331    3.17E-05
5.00   .9999997133484280    .0000002866515718    2.87E-07
6.00   .9999999990134120    .0000000009865877    9.87E-10
7.00   .9999999999987200    .0000000000012799    1.28E-12
8.00   .9999999999999990    .0000000000000007    6.66E-16  Below this, machine can't compute.