Mathematics, 25.06.2021 03:50 bella51032
There are 3 urns A, B and C each containing a total of 10 marbles of which 2, 7 and 4 respectively are red. One of the urns is selected randomly and a marble is drawn from the selected urn. It is found that the marble is red. What is the probability that the red marble is taken from urn B
Answers: 3
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There are 3 urns A, B and C each containing a total of 10 marbles of which 2, 7 and 4 respectively a...
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