Use the Confidence Level and Sample Data to Find the Margin

question 131

Multiple Choice

Use the confidence level and sample data to find the margin of error E
-Replacement times for washing machines: $90 \%$ confidence; $\mathrm { n } = 36 , \bar{\mathrm { x} } = 10.0$ years, $\sigma = 2.1$ years

• A) \(0.4\) years
• B) \(6.0\) years
• C) \(0.1\) years
• D) \(0.6\) years

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