(1) A population of size Nconsists of unknown number of males and 400 females. In a random sample of size n taken from t
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(1) A population of size Nconsists of unknown number of males and 400 females. In a random sample of size n taken from t
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subject : census
(1) A population of size Nconsists of unknown number of males and 400 females. In a random sample of size n taken from the population, 1/4 of them found to be females. An estimate of N is (a) 1600 (b) 400 (c) 4000 (d) 2000 (e) None.