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Event A and Event B are mutually exclusive. If P(A)- .6 and P(B) - .2, what is P(A or B) a. 0 b. .2 C..5 d. .8 e. This question cannot be answer as you need to know the value for P(A and B)

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Answer #1

Solution :

Given that,

P ( A ) = 0.6

P ( B ) = 0.2

P ( A  \cup B ) =   P(A) +  P(B)

= 0.6 + 0.2

= 0.8

P ( A  \cup B ) = 0.8

Answer d. is correct.

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