LetAandBbe two events of a sample space such thatP(A) = 0.5 andP(A B) = 0.8. If

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LetAandBbe two events of a sample space such thatP(A) = 0.5 andP(A ∪ B) = 0.8.

If it is known that P(A|B) = 0.25, then the probability of the event B is

(a) 0.9

(b) 0.3

(c) 0.2

(d) 0.4

(e) 0.1

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Introduction To Probability Volume 2

ISBN: 9781118123331

1st Edition

Authors: Narayanaswamy Balakrishnan, Markos V. Koutras, Konstadinos G. Politis

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