Among various ethnic groups, the standard deviation of heights is known to be approximately three inches. A Forty-eight male Swedes are surveyed. The sample mean is 71 inches. A 95% confidence interval for the population mean height of male Swedes is: (70.167,71.833) O (71.167,72.833) ( 70.151,71.849) O ( 70.238,71.762)

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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Among various ethnic groups, the standard deviation of heights is known to be
approximately three inches. A Forty-eight male Swedes are surveyed. The sample mean
is 71 inches. A 95% confidence interval for the population mean height of male Swedes
is:
(70.167,71.833)
O (71.167,72.833)
O (70.151,71.849)
O ( 70.238,71.762)
Transcribed Image Text:Among various ethnic groups, the standard deviation of heights is known to be approximately three inches. A Forty-eight male Swedes are surveyed. The sample mean is 71 inches. A 95% confidence interval for the population mean height of male Swedes is: (70.167,71.833) O (71.167,72.833) O (70.151,71.849) O ( 70.238,71.762)
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