Suppose two dice (one red, one green) are rolled. Consider the following events. A: the red die shows 2; B: the numbers add to 5; C: at least one of the numbers is 2; and D: the numbers do not add to 9. Express the given event in symbolic form. The numbers do not add to 5. Ов O D OD' O B' O B'UD How many elements does it contain?

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Q: Which

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Q: n(A ∩ B)

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