Given that zz is a standard normal random variable, compute the following probabilities

Given that zz is a standard normal random variable, compute the following probabilities.

a. P(z ≤ −1.0)
b. P(z ≥ −1)
c. P(z ≥ −1.5)
d. P(−2.5 ≤ z)
e. P(−3 < z ≤ 0)