A no. x is selected from the numbers 1,2,3 and a number y is randomly selected from the numbers 1,4,9. What is the probability that the product xy of the two numbers will be less than 9 ?
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Total outcomes are a set of S
n ( S ) = 18
Let the set of possible outcomes be A
A = { ( 1 , 9 ) , ( 9 , 1 ) }
probability = n ( A ) / n ( S )
= 2 / 18
= 1/9
n ( S ) = 18
Let the set of possible outcomes be A
A = { ( 1 , 9 ) , ( 9 , 1 ) }
probability = n ( A ) / n ( S )
= 2 / 18
= 1/9
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