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It is said that happy and healthy workers are efficient and productive. A company that manufactures...

It is said that happy and healthy workers are efficient and productive. A company that manufactures exercising machines wanted to know the percentage of large companies that provide on-site health club facilities. A sample of such 240 companies showed that 105 of them provide such facilities on site. Construct a 97% confidence interval for the percentage of all such companies that provide such facilities on site. What is the margin of error for this estimate? Round your answers to one decimal place.

Confidence interval:

Margin of error:

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