Find the z-score for the standard normal distribution where: P(z < -a) = 0.0721

Question

Find the z-score for the standard normal distribution where:

P(z < -a) = 0.0721

Answer 1

Obtain a z-score chart

http://users.stat.ufl.edu/~athienit/Tables/Ztable.pdf

The z-score for 0.0721 is -1.46.

I do not know what you mean by P(z <-a).