Q. 143.7( 45 Votes )

Given that the tw

Answer :

The sample space of the given experiment is:

Let E be the event that ‘the sum of numbers on the dice is 4’ and F be the event that ‘the two numbers appearing on throwing the two dice are different’.

E = {(1, 3), (2, 2), (3, 1)}


E F = {(1, 3), (3, 1)}


Now, we know that

By definition of conditional probability,

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