Given the t distribution with v df: T=Z/sqr((Y/v))

Also given that Z has standard normal distribution and Y is independent chi-square distributed variable with v df.

My question is: find E(Z) and E(Z^2) given Z has a standard normal distribution

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- March 14th 2010, 08:07 PMredwings6Standard normal distribution expected values
Given the t distribution with v df: T=Z/sqr((Y/v))

Also given that Z has standard normal distribution and Y is independent chi-square distributed variable with v df.

My question is: find E(Z) and E(Z^2) given Z has a standard normal distribution - March 14th 2010, 09:14 PMmatheagle