The z value for a 96.6% confidence interval estimate isA. 2.00B. 2.12C. 1.96D. 1.82In developing an interval estimate for a population mean, a sample of 50 observations was used. The interval estimate was 19.76 ± 1.32. Had the sample size been 200 instead of 50, the interval estimate would have beenA. 19.76 ± 0.33B. 4.94 ± 1.32C. 19.76 ± 0.66D. 9.88 + 1.32

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A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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The z value for a 96.6% confidence interval estimate is A. 2.00 B. 2.12 C. 1.96 D. 1.82