Z follows an N(0, 1). In the following, state whether the given probability is correct or incorrect. If incorrect, explain why.
a) P(Z ≥ 1.28) = 0.8997.
b) P(Z < −0.11) = 0.4602.
c) P(Z < 7.37) = 1.
d) P(Z ≤ 0.92) = 0.8212.
e) P(Z ≥ 2.18) = 0.0146.