Which of the following statement is incorrect?

a. Maximum probable loss (Value at Risk) is a summary measure for loss distributions.

b. All the answers are correct.

c. If a probability distribution is not symmetrical, as in the case of liability losses, the distribution is said to be skewed.

d. One of the important characteristic of density functions is that the area under the entire curve equals one.

e. When estimating property loss exposure, the market value method for valuing property is not a relevant measure for risk managers.