Which set of these best describes dependent events?
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A. Tossing a coin and spinning a spinner.
B. Rolling a number cube and spinning a spinner.
C. Selecting a marble from a jar of marbles, replacing it, then selecting another marble
D. Selecting a marble from a jar, not replacing it, then selecting another marble
The answer is D. Selecting a marble from a jar, not replacing it, then selecting another marble.
Dependent events are events where the outcome of the first event affects the outcome of the second event. In option D, since the marble is not replaced after the first selection, the probability of choosing a certain color for the second selection will be influenced by the result of the first selection. Therefore, the events of selecting a marble without replacement are dependent.