<p>How would we figure out, in a standard normal mode, the values of Z cut offs in the region described?</p>
<p>A. The Middle 90%</p>
<p>B. The Middle 30%</p>
<p>C. The Middle 50%</p>
<p>-Explain how to find answer?</p>
<p>I know its something with Invnorm function, but I can't figure out which to #'s to use...</p>