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Question
A number X is selected at random from the number 1 ,2,3,4. Another number Y selected at random from numbers 1,4,9, 16. Find the probability that the product of X and Y is 16.
A number X is selected at random from the number 1 ,2,3,4. Another number Y selected at random from numbers 1,4,9, 16. Find the probability that the product of X and Y is 16.
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Solution
x is selected from 1,2,3 and 4
1,2,3,4
y is selected from 1,4,9 and 16
Let A {1,4,9,16,2,8,18,32,3,12,27,48,36,64} which consists
of elements that are product of x and y
1,2,3,4
y is selected from 1,4,9 and 16
Let A {1,4,9,16,2,8,18,32,3,12,27,48,36,64} which consists
of elements that are product of x and y
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