Determine whether each pair of actions results in independent or dependent events. Pick one marble out of a bag. Then, without replacing the marble, pick another marble.

a. Dependent; the first marble selection will affect the second marble selection.
b. Independent; the first marble selection will not affect the second marble selection.
c. Dependent; the first marble selection will not affect the second marble selection.
d. Independent; the first marble selection will affect the second marble selection.