For the following three questions, type out the information you would put into your calculator to find the value, and give the value. For example:

P(Z >1) = normalcdf(1, E99, 0, 1) = 0.1587

Be sure to label each of your answers!

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a) Find P(Z < -0.15).

b) Find the area between z = -2.1 and z = -1.7.

c) Find x such that P(Z < x) = 0.28.