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Use the confidence level and sample data to find the margin of error E. Round your answer to the same number

Question

Use the confidence level and sample data to find the margin of error E. Round your answer to the same number of decimal places as the sample mean unless otherwise noted. 
Replacement times for washing machines: 90% confidence; n=31, x= 10.4 years, σ = 2.4 years 0.1 yr 
0.7 yr 
3.1 yr 
0.6 yr

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10 points Save Ansv Use the confidence level and sample data to find the margin of error E. Round your answer to the same number of decimal places as the sample mean unless otherwise noted. uestion 5 Replacement times for washing machines: 90% confidence;