Submitted by Amy S. Wagaman on Wednesday, 10/27/2010, at 5:00 PM

On the last problem, Ben M. caught that I missed a 0 in the E(Y^4) part of the calculation. So that should be (1*2*3*4*10^4)=240000, instead of 24000. Plugging that in will increase the expected value of C^2, which will then increase the variance. Apologies on the sloppy missed 0.