# A die is tossed t

Given: A die is tossed thrice.

The sample space S = {1, 2, 3, 4, 5, 6}

Let P(A) = probability of getting an odd number in first throw.

P(A) = .

Let P(B) = probability of getting an even number.

P(B) = .

Now, probability of getting an even number in three times =

So, probability of getting an odd number at least once

= 1 – probability of getting an odd number in no throw

= 1 - probability of getting an even number in three times

probability of getting an odd number at least once =

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