Final answer:
When performing CPR on a non-rebreathing child aged 1-8, the recommended ventilation rate is 12-20 times per minute.
Step-by-step explanation:
According to CPR guidelines, when ventilating a non-rebreathing child who is 1-8 years old, the correct number of ventilations performed per minute should fall within the range of 12-20 breaths per minute. This range is closely aligned with the normal respiratory rate which decreases from birth to adolescence. Notably, for a child under 1 year, it is between 30 and 60 breaths per minute and by the time they are about 10 years old, it approaches 18 to 30 breaths per minute. The provided option that fits within this recommended range is option 4) 12-20.