Tue, 05 Apr 2016 17:22:50 +0300 Oleksandr Gavenko Law of Iterated Expectations.
Thu, 31 Mar 2016 13:26:03 +0300 Oleksandr Gavenko Covariance
Thu, 31 Mar 2016 00:15:20 +0300 Oleksandr Gavenko Conditional variance
(0) -10 -3 +3 tip