A sample of 67 adults attending a country fair determined that the mean age was 51. Given that the population standard deviation is known to be 40, determine the 98 confidence interval for the population mean age. (Round the final answers to 3 decimal places.) Confidence interval for the population mean is [ and [

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A sample of 67 adults attending a country fair determined that the mean age was 51. Given that the population standard deviation is
known to be 40, determine the 98 confidence interval for the population mean age. (Round the final answers to 3 decimal places.)
Confidence interval for the population mean is
and [
Transcribed Image Text:A sample of 67 adults attending a country fair determined that the mean age was 51. Given that the population standard deviation is known to be 40, determine the 98 confidence interval for the population mean age. (Round the final answers to 3 decimal places.) Confidence interval for the population mean is and [
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