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Alexsandro
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Question about conditional probability. Can someone help me ?
Repulsion. The event A is said to be repelled by the event B is P(A|B) < P(A), and to be attracted by B P(A|B) > P(A).
(a) Show that if B attracts A, then A attracts B, and ~B repels A.
(b) If A attracts B, and B attarcts C, does A attract C?
(c) Explain this, throught ratio idea:
P(A|B) > P(A) => P(B|A) > P(B).
Repulsion. The event A is said to be repelled by the event B is P(A|B) < P(A), and to be attracted by B P(A|B) > P(A).
(a) Show that if B attracts A, then A attracts B, and ~B repels A.
(b) If A attracts B, and B attarcts C, does A attract C?
(c) Explain this, throught ratio idea:
P(A|B) > P(A) => P(B|A) > P(B).