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A sample of size n = 9 is to be taken from ? ~ ????? (?...

A sample of size n = 9 is to be taken from ? ~ ????? (? =2, ? ) where ? is unknown and will be estimated.

Find E(Y), Var(Y), E(ȳ) and Var(ȳ)

Is E(Y) 2? and Var(Y) 2?2? how do you find these 4?

math   Statistics-And-Probability   
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