2021 Question 7 Considering the distributions covered in the Julie (na Be Geometric, Negative Binomial, Hypergeometric, and Beta distributions), answer the following questions. Ju Expone fial, Uniform, Gar answers! (a) Which di butions can have both negative and positive values? (b) Which dis ibutions can be considered to involve inde dent trials? (c) Which distributions have the property that for any random variable X which he ters of bution, P (X