15)Group-A(a) Let 1 and 2 be unbiased estimators for the parameter 0. Is the estimator 03 = 0.2 0₁ + 0.8 0₂ an unbiased estimator,if yes, why, if not, why not? Explain your answer.(b) Suppose there are n individuals in a group each shooting once at the same target, where each individual canindependently hit the target with the probability of 90%. Assuming the probability that at least one of them hits thetarget is 99.99%, determine the value of the integer n. Use a calculator to simplify your answer.(c) Noting that you do not need to explain your answer, state whether the following statement regarding the sample meanis true or false:"An increase in the number of samples or an increase in theconfidence level can make the confidence interval narrower."

(a) Let Θ1 and Θ2 be unbiased estimators of for the parameter θ. That means E[Θ1]=θ and E[Θ2]=θ.…

Answered: 15) Group-A (a) Let 1 and 2 be unbiased…

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter6: Power Flows

Section: Chapter Questions

Problem 6.22P

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