A fair die is rolled once. Let $E$ be the event that the number shown is even, and $F$ be the event that the number shown is greater than 3. Then the number of elements in $E \cap F$ equals _____.
Step-by-Step Solution
Key Concept: Write out the sets $E = \{2, 4, 6\}$ and $F = \{4, 5, 6\}$ explicitly, and identify the elements common to both.
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Correct Answer: 2