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visits member for 3 years, 1 month
seen Nov 18 '11 at 22:00

Feb
5
awarded  Notable Question
Feb
12
awarded  Popular Question
Feb
4
awarded  Notable Question
Oct
20
awarded  Popular Question
Nov
18
accepted A fair coin is tossed $n$ times by two people. What is the probability that they get same number of heads?
Nov
18
asked A fair coin is tossed $n$ times by two people. What is the probability that they get same number of heads?
Nov
18
awarded  Scholar
Nov
18
comment Find E(XY) and covariance
Ahh brilliant! I did try to use the sum in calculation, but didn't think that substitution will make it that much easier... Thanks!
Nov
18
accepted Find E(XY) and covariance
Nov
18
awarded  Student
Nov
18
asked Find E(XY) and covariance