The minimum sample size needed to estimate a population mean within 2 units with a 95% confidence when the population standard deviation equals 8 isA. 62OB. 9C. 8O D. 61A random sample of 64 observations has a mean of 30. The population variance is assumed to be 9. The 85.3% confidence interval estimate for the population mean (to the third decimal place) isO A. (28.369, 31.631)O B. (29.383, 30.617)O C. (29.456, 30.544)O D. (28.560, 31.440)

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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