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Suppose n numbers ave vandoml Selected without vepacement hom a set ot N numbers, that is,...


Suppose n numbers ave vandoml Selected without vepacement hom a set ot N numbers, that is, 112, , where n SN. Let Y be the su
Suppose n numbers ave vandoml Selected without vepacement hom a set ot N numbers, that is, 112, , where n SN. Let Y be the sum of the selected numbers. Calculate the expected value of Y Caloulate the vaiance ot Y. IN4) (2NH) (Hint :Ma and i))
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