expectation prob: Find E(Y|X^3) and E(Y|(X-1)/2)

Between this and another tutoring service, you've posted at least seven exercises, all but one with no work shown. If you're truly this "lost", then it is likely that you need much more intensive assistance than we can offer.

Please consider having a serious talk with your academic counsellor regarding appropriate course placement.

Eliz.
 
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