SOLUTION: 1) Solve the problem. A confidence interval for a population mean has a margin of error of 6.4. Determine the length of the confidence interval.

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Question 1042745: 1) Solve the problem.
A confidence interval for a population mean has a margin of error of 6.4. Determine the length of the confidence interval.

Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Length of confidence interval = 2*(margin of error)

Length of confidence interval = 2*(6.4)

Length of confidence interval = 12.8