Which of the Following Is True of the Parameters of a Beta

Multiple Choice

Which of the following is true of the parameters of a beta distribution function?

A) The parameters of the distribution function, α and β, can be negative.
B) The values of the parameters do not affect the skewness of the distribution.
C) If either parameter is 1.0 and the other is lesser than 1.0, the distribution takes an "L" shape.
D) If the parameter β exceeds the other parameter α, the distribution is positively skewed.