A random sample of 64 items is selected from a population of 400 items. The sample standard deviation is 48. From these data, the 95% confidence interval to estimate the population mean would be A 189.21 to 210.79 B. 193.45 to 211.09 188.24 to 211.76 190.13 to 209.87

A random sample of 64 items is selected from a population of 400 items. The sample standard deviation is 48. From these data, the 95% confidence interval to estimate the population mean would be A 189.21 to 210.79 B. 193.45 to 211.09 188.24 to 211.76 190.13 to 209.87

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

A random sample of 64 items is selected from a population of 400 items. The sample mean is 200. The population
standard deviation is 48. From these data, the 95% confidence interval to estimate the population mean would be
189.21 to 210.79
B.
193.45 to 211.09
188.24 to 211.76
D.
190.13 to 209.87

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