Q. 114.1( 8 Votes )

A die is tossed t

Answer :

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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