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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%90 \% confidence; n=36,xˉ=10.0\mathrm { n } = 36 , \bar{\mathrm { x} } = 10.0 years, σ=2.1\sigma = 2.1 years


A) 0.40.4 years
B) 6.06.0 years
C) 0.10.1 years
D) 0.60.6 years

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