This is what I picked for both a second set of eyes would be great to tell me if I'm wrong and what I should've picked. Thank you in advance

E 5.1 2: Identifying sample statistics and population parameters. Jump to level 1 An emergency room claims to have a mean wait time of 25 minutes The hospital checks the wait times of 150 randomly selected visitors and finds a mean wait time of 28 minutes The sample statistic is 25 minutes The population parameter is Pick Pick 150 visitors 25 minutes 28 minutes unknown Check Next Fee