Answer:
d.
Step-by-step explanation:
only canary, seagull, and crow are check in both columns
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A set is a mathematical model for a collection of items. There are three outcomes in A and B.
A set is a mathematical model for a collection of items; it comprises elements or members, which may be any mathematical object: numbers, symbols, points in space, lines, other geometrical structures, variables, or even other sets.
Given A is the event that an animal is a bird, while B is the event that an animal is a bird, therefore, the outcomes of A and B are:
A∩B = 3 {Canary, seagull, crow}
Hence, there are three outcomes in A and B.
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