In an article published in a British medical journal, Japanese researchers found that adults who were videotaped in a relaxed setting blinked an average of 15.0 times per minute. Under the assumption that this finding was based on the sample data in file XR09040, construct and interpret the 99% confidence interval for the population mean. Based on this confidence interval, would it seem very unusual if another sample of this size were to exhibit a mean blink rate of 16.0 times per minute?