What is the standard error of the 99% confidence interval for the average nicotine content of the cigarettes. 2. A random sample of 14 cigarettes of a certain brand has an average nicotine content of 4.3 milligrams and a standard deviation of 2.1 milligrams. What is the margin of error of the 99% confidence interval for the average nicotine content of the cigarettes.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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1. A random sample of 14 cigarettes of a certain brand has an average nicotine content of 3.6 milligrams and a standard deviation of 1.1 milligrams. What is the standard error of the 99% confidence interval for the average nicotine content of the cigarettes. 2. A random sample of 14 cigarettes of a certain brand has an average nicotine content of 4.3 milligrams and a standard deviation of 2.1 milligrams. What is the margin of error of the 99% confidence interval for the average nicotine content of the cigarettes. Note: Round your answer to 4 decimal places.
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