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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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coolcat coolcat
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4 years ago
A sample of 40 washing machines yields a mean replacement time of 11.5 years. Assuming that , find the margin of error in estimating μ at the 90% level of confidence.

▸ 0.1 years

▸ 3.0 years

▸ 0.6 years

▸ 0.5 years
Textbook 
Introductory Statistics

Introductory Statistics


Edition: 10th
Author:
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brigettelearnbrigettelearn
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4 years ago
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coolcat Author
wrote...

4 years ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
sleinhi
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Yesterday
Good timing, thanks!
linlinlin
wrote...

2 hours ago
Thanks for your help!!
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