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You have calculated the 95% confidence interval for average time in the system to be 2.00...

You have calculated the 95% confidence interval for average time in the system to be 2.00 + 1.33. The half-width of this confidence interval is?

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Answer #1

( please revert if confidence interval given is 2.00 +/- 1.33)

as confidence interval =estimated mean -/+ margin of error

also margin of error is called half width ; therefore from above half width =1.33

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