SOLUTION: Use the standard normal distribution to find P(z < -2.25).

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Question 1153975: Use the standard normal distribution to find P(z < -2.25).
Answer by Edwin McCravy(20060) About Me  (Show Source):
You can put this solution on YOUR website!
If your normal table has negative values in the z-column 
then find z = -2.2 and go to the .05 column and read 0.0122,
which is the answer.

If your normal table does not have negative values in the z-column 
then find z = 2.2 and go to the .05 column and read 0.4878, then
subtract that from 0.5000.  Then 0.5000-0.4878 = 0.0122,
which is the answer.

Edwin