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A sample of 57 observations for alcohol levels randomly taken on Highway 6 at 3am on Saturday, resulted in a mean of 0.057 and a variance of 0.006724 respectively. Construct a 90% confidence interval on the population mean alcohol level in this situation. O (0.0290: 0.0850) O (0.317: 0.082) O (0.0357; 0.0783) O (-0.0407; 0.1547 O (0.0391; 0.0749)

A sample of 57 observations for alcohol levels randomly taken on Highway 6 at 3am on Saturday, resulted in a mean of 0.057 and a variance of 0.006724 respectively. Construct a 90% confidence interval on the population mean alcohol level in this situation. O (0.0290: 0.0850) O (0.317: 0.082) O (0.0357; 0.0783) O (-0.0407; 0.1547 O (0.0391; 0.0749)

MATLAB: An Introduction with Applications
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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**Statistical Analysis: Constructing a Confidence Interval** *Scenario:* A sample of 57 observations for alcohol levels, randomly taken on Highway 6 at 3 a.m. on a Saturday, resulted in the following statistics: - Mean = 0.057 - Variance = 0.006724 *Objective:* Construct a 90% confidence interval for the population mean alcohol level in this scenario. *Options:* - (0.0290, 0.0850) - (0.0317, 0.0820) - (0.0357, 0.0783) - (-0.0407, 0.1547) - (0.0391, 0.0749) *Analysis:* Select the correct confidence interval from the options provided, ensuring it represents a 90% confidence level for the mean alcohol level based on the given mean and variance.
Transcribed Image Text:**Statistical Analysis: Constructing a Confidence Interval** *Scenario:* A sample of 57 observations for alcohol levels, randomly taken on Highway 6 at 3 a.m. on a Saturday, resulted in the following statistics: - Mean = 0.057 - Variance = 0.006724 *Objective:* Construct a 90% confidence interval for the population mean alcohol level in this scenario. *Options:* - (0.0290, 0.0850) - (0.0317, 0.0820) - (0.0357, 0.0783) - (-0.0407, 0.1547) - (0.0391, 0.0749) *Analysis:* Select the correct confidence interval from the options provided, ensuring it represents a 90% confidence level for the mean alcohol level based on the given mean and variance.
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