Final answer:
Approximately 68% of the population lies between the population z-scores of -1.13 and 1.13.
Step-by-step explanation:
The percentage of the population that lies between the population z-scores of -1.13 and 1.13 can be determined by using the empirical rule, also known as the 68-95-99.7 rule. According to this rule, about 68% of the population lies within one standard deviation of the mean, which corresponds to z-scores between -1 and 1. Therefore, we can conclude that approximately 68% of the population lies between the population z-scores of -1.13 and 1.13.