1. If Z is N(0, 1), find

A. P(0 Z 0.87)

B. P(2.64 Z 0)

P(2.13 Z 0.56)

P(|Z| > 1.39).

2. Consider the random variable X as the location of the next online delivery order requested by a customer. If X is normally distributed with a mean of 6 and a variance of 25, find

A. P(6 X 12)

B. P(0 X 8)

C. P(2 < X 0).

D. P(|X 6| < 5).