Published by:
CGP EDU Academic Team
Published on: August 13, 2026
For a biased die, the probabilities for different faces to turn up are
Face : | 1 | 2 | 3 | 4 | 5 | 6 |
Probability : | 0.2 | 0.22 | 0.11 | 0.25 | 0.05 | 0.17 |
The die is tossed and you are told that either face 4 or face 5 has turned up. The probability that it is face 4 is
A
B
C
D
None of these
Text Solution
Verified by ExpertsThe correct answer is:
C
Let 
be the event that face 4 turns up and 
be the event that face 5 turns up then 
. Since 
and 
are mutually exclusive, so 
.
We have to find 
which is equal to
.
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