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30 April, 17:07

A and B are mutually exclusive events. PA) = 0.50 and P (B) = 0.30. What is

PA or B) ?

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Answers (1)
  1. 30 April, 17:31
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    P (A∪B) = 0.8

    Explanation:

    Given that,

    A and B are mutually exclusive events such that,

    P (A) = 0.5 and P (B) = 0.3

    We need to find P (A or B). It means we need to find P (A∪B). If two events are mutually exclusive, P (A∩B) = 0. So,

    P (A∪B) = P (A) + P (B) - P (A∩B)

    Putting P (A) and P (B), we get:

    P (A∪B) = 0.5+0.3-0

    P (A∪B) = 0.8

    So, the value of P (A or B) is 0.8
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