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14 January, 15:55

Two events are disjointed. Find P (A or B), if P (A) = 1/7

and P (B) = 3/7.

1/7

3/7

4/7

2/7

+5
Answers (1)
  1. 14 January, 19:05
    0
    4/7

    Step-by-step explanation:

    P (A or B) when A and B are disjointed is P (A) + P (B)

    P (A or B) = P (A) + P (B)

    P (A or B) = 1/7 + 3/7

    P (A or B) = 4/7
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