medical students wrote the following conclusions. for each, indicate whether their interpretation of the 95% confidence interval is correct or incorrect. 1. 95% of the infants studied gained between 4.18 and 4.52 pounds. [ select ] 2. we are 95% certain that an infant fed this supplement will gain between 4.18 and 4.52 pounds. [ select ] 3. we are 95% sure that the average weight gain for infants in this sample was between 4.18 and 4.52 pounds. [ select ] 4. the average weight gain for infants fed this supplement will be between 4.18 and 4.52 pounds 95% of the time. [ select ] 5. if this supplement is tested on another sample of infants, there is a 95% chance that their weight gain will be between 4.18 and 4.52 pounds. [ select ] 6. we are 95% certain that the true average weight gain of infants fed this supplement will be between 4.18 and 4.52 pounds.