Aresearch scientist wants to know how many times per hour a certain strand of bacteria reproduces. The mean is found to be 7.9 reproductions and the population standard deviation is known to be 2.4 . If a sample of 1829 was used for the study, construct the 95% confidence interval for the true mean number of reproductions per hour for the bacteria. Round your answers to one decimal place. Answer How to emon your answer (opens in new window) Lower endpoint: Keyboard Shortcuts Upper endpoint