If two events. A and B, are independent then which of the following is always true about their probabilities?

1) P (A) = P (B)

2) P (A and B) = P (A) P (B)

3) P (A OR B) = P (A) P (B) - P (A and B)

4) P (A and B) = P (A) + P (B)

Question

18 January, 19:07

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Corbin Haas · Answer 1

Corbin Haas 18 January, 19:10

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The answer I think is 4?

If two events. A and B, are independent then which of the following is always true about their probabilities?1) P (A) = P (B)2) P (A and B) = P (A) P (B)3) P (A OR B) = P (A) P (B) - P (A and B)4) P (A and B) = P (A) + P (B)