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Find the union and intersection of events X and Y.

1. = { 1, 2, 3, 4, 5 } = { 5, 6, 7, 8, 9 }

2. = { , , , } = { , , , , ℎ }

3. = { 1, 3, 6, 9, 12 } = { 3, 6, 7, 8, 9 }

4. = { , , , , } = { , , , }

5. = { 4, 5, 6, 7, 8 } = { 8, 9, 10, 11, 12, 13 }​