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two integers

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Two integers X and Y are selected at random 2018-12-31
From Kenneth:
Two integers X and Y are selected at random from the integers 1 to 8.If the same integer may be selected twice,find the probability that;
1)X-Y=2
2)X-Y is 5 or more
3)X is greater than Y

Answered by Penny Nom.
The difference between two numbers is -3 2018-06-05
From Hannah:
write a pair if integers whose difference is -3 ( given that the greater number is 8 )
Answered by Penny Nom.
 
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