Q:

Tossing a die one time, let A be the event that an even number occurs, B that a prime number occurs

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Tossing a die one time, let A be the event that an even number occurs, B that a prime number occurs, find A∪B?

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n(S)=(6)^1=6
S={1,2,3,4,5,6}
A={2,4,6}
B={2,3,5}
Then  
A∪B={2,3,4,5,6} is the event that an even or a prime number occurs.

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