Let’s select two numbers x and y such that 1<=x<=4 and 2<=y<=6. What is the probability of x +y>=5?(adsbygoogle = window.adsbygoogle || []).push({});

I solved the problem and attached it. Please check my solution and tell me whether my approach of solution is correct or wrong. The most puzzling matter is that I'm getting two different answers. Any suggestion would be of great help to me regarding my attempted solution. Thanks.

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# Two dimensional sample space

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