In a simultaneous throw of a pair of dice ,find the probability of getting :

(i) at least once

The question asked by you is not complete but still if you are trying to ask the probability of getting any specific number atlest once can be calculated as....

Suppose you want to calculate the probability of get atleast once 3 in a simultaneous throw of pair of dice than-

Elementary event associated to the random experiment of throwing two dice are



∴ Total number of elementary events = 6 × 6 = 36

So in the random experiment total favorable outcome of getting 3 atleast once = 11


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