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Assume that a sample is drawn and z(α/2) = 1.65 and σ = 35. Answer the following questions:

(A) If the Maximum Error of Estimate is 0.04 for this sample, what would be the sample size?

(B) Given that the sample Size is 400 with this same z(α/2) and σ, what would be the Maximum Error of Estimate?

(D) What effect does the answer to C above have to the size of the confidence interval?

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Category:- Statistics and Probability
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