GATE | GATE-CS-2003 | Question 3
Let P(E) denote the probability of the event E. Given P(A) = 1, P(B) = 1/2, the values of P(A | B) and P(B | A) respectively are
(A) 1/4, 1/2
(B) 1/2, 1/14
(C) 1/2, 1
(D) 1, 1/2
Answer: (D) Explanation: Given,
,
We need to find the conditional probability of two given events without being told about
. Also it is not mentioned that they are independent events.
But since
is 1, it means that
covers the complete sample space.
So,
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Last Updated :
13 Nov, 2017
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