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Answer the following questions : (Altern...

Answer the following questions : (Alternatives are to be noted): If `T_1`, `T_2`, `T_3` be estimators with expectations `E(T_1) = theta_1+ 2theta_2`, `E(T_2) = theta_2+2theta_3`, and `E(T_3) = theta_3 + 2theta_1` find unbaised estimator of `theta_1+theta_2+theta_3`.

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UNITED BOOK HOUSE-MODEL QUESTION PAPERS SET-06-Exercise
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