Use the Following Information for Questions:
Find the Requested $\leq$

Multiple Choice

Use the following information for questions:
Find the requested probability for the standard normal random variable Z.
-What is the probability that Z is between -1 and 1, P(-1 $\leq$ Z $\leq$ 1) ?

A) 0.1587
B) 0.3174
C) 0.6826
D) 0.8413