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If the margin of error (95% confidence) associated with a sample is 5.23 and the point estimate is 23.45,what would be the 95% confidence interval?

If the margin of error (95% confidence) associated with a sample is 5.23 and the point estimate is 23.45,what would be the 95% confidence interval? (Round to two decimal places.)

Teacher note- "Please type in your answer for confidence intervals like this (order matters!):

12, 15 or [12, 15]"

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