Ch. 13 Notes
Ch. 13 Notes. MATH 2400 Mr. J. Dustin Tench. Recap Ch. 12. P(A or B) = P(A) + P(B) – P(A∩B) If A and B are disjoint , P(A∩B) = 0, so we get P(A) + P(B). P(A and B) = P(A|B) • P(B) If A and B are independent , P(A|B) = P(A), so we get P(A) • P(B). When are A and B disjoint?.
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