Which is correct and most complete (according to the chapter)?

a. Discrete choice modeling is effectively a subset of logistic regression.

b. Linear regression is a natural alternative to discrete choice modeling.

c. The functions that predict the underlying utility must be first order.

d. Probit models assume that utilities follow an extreme value distribution.

e. All of the above are correct.

f. All of the above are correct except

(a) and (e).