The intersection A ∩ B is the event "A and B both happen". It contains outcomes that are in both A and B.
If A = {2, 4, 6} (even) and B = {3, 6} (multiple of 3), then A ∩ B = {6}.
Only 6 satisfies both conditions. P(A ∩ B) = 1/6 when rolling a die.
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(A and B both happen)
The intersection A ∩ B is the event "A and B both happen". It contains outcomes that are in both A and B.
If A = {2, 4, 6} (even) and B = {3, 6} (multiple of 3), then A ∩ B = {6}.
Only 6 satisfies both conditions. P(A ∩ B) = 1/6 when rolling a die.