[sthief09]

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I'm happy to help, but I think you have your paratheses wrong. I think this should be:

f(x,y) = c*(x^2)*y

where c = 6/5 to make the density integrate to 1.

If not, can you tell me what the function c is and whether y is in the exponent or not?

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you're right. I'm an idiot for writing it the way I did


I'm getting 6 and not 6/5 for some reason, if you're around, which I doubt. I'll check back before I hand it in in about 8 hours in case someone is so kind as to steer me in the right direction [img]/images/graemlins/smile.gif[/img]

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too late to edit but I see where I went wrong