Umm I would say that you do 0.5*0.5
so a 25% chance? Tell me if you think this is right or not, because if it's wrong I can try to help you again
Hope this helps :)
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At x = 2
f(x) = (1/3)^2
= 1^2/3^2
= 1/9
= 0.111
If your only solving for the perimeter, then the answer is 18yd.