9. Mario has a box filled with 10 green, 3 blue, 1 red, and 7 yellow colored pens. He removes 4 pens from the box, without replacement. Select the outcomes that could represent the pens he removes. A. All of the pens in his selection are red. B. There is 1 of each color pen in his selection. C. There are exactly 3 green pens in his selection. D. There are more red pens removed than other colors. E. The number of red pens removed is the same as the number of blue pens removed.

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Q: a

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Counting Principles

In statistics, the counting principle can be said to be the concept in which the quantity of an item is determined. There can be a single item, or a group of items, or items that are related to each other. In every possible set of items, the quantity of the possible item groups or their sorting measures can be determined with counting principles.