Q. 104.4( 7 Votes )

Two unbiased dice

Answer :

Concept Used:
To find: Probability of the sum of the number on dice to be greater than 10.
Sample space of throwing a pair of dice is:

Sample space, n(S) = 36
let E be the number of events of getting sum higher than 9 i.e getting 10,11, and 12.
The pairs are: (4, 6), (5, 5), (5, 6), (6, 4), (6, 5), (6, 6)
then n(E) = 6

We know:


Hence, the probability of getting sum more than 9 is 1/6.

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