If A and B are two events such that A - B- thena PAB - PA - BPBb PAB - PA PBc PAB - PBA -1d PAB - PAPB

By the definition of conditional probability: nbsp;If A and B are two events such that A nbsp; ne; nbsp; Phi;, B = nbsp; Phi;, then nbsp;PAB=PA ...

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Conditional Probability

If A and B ar...

Question

If A and B are two events such that A ≠ Φ, B = Φ, then

(a) $P (\frac{A}{B}) = \frac{P (A \cap B)}{P (B)}$ (b) $P (\frac{A}{B}) = P (A) P (B)$
(c) $P (\frac{A}{B}) = P (\frac{B}{A}) = 1$ (d) $P (\frac{A}{B}) = \frac{P (A)}{P (B)}$

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A

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P (A^{'}) = 0.3, P (B) = 0.4

P (A B^{'}) = 0.5

P (\frac{B}{(A \cup B^{'})}) =

If A and B are two events such that ,

[MP PET 1992]

A

B

P (A) = 0.2

P (A B) = 0.7

A

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P (B)

P (A + B) = \frac{5}{6}, P (A B) = \frac{1}{3}, P (B) = \frac{1}{2},

P (A) = 0.8,

P (B) = 0.5

P (\frac{B}{A}) = 0.4

P (\frac{A}{B}) = ?

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