beginning of content:

Let P(E) represent the probability of event E. Let A and B  be events with P(A) = 0.3 , P(B) = 0.7, and P(A∩B) = 0.2 . What is the value of P(A
unionB) ?

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1.0

Correct Answer: 
No

0.9

Correct Answer: 
No

0.8

Correct Answer: 
Yes

0.7

Correct Answer: 
No