Final answer:
The child mortality rate in Luxembourg is 1.9 per 1000, reflecting a statistic that is consistent with other high-income countries, where such rates are considerably lower than in low-income countries.
Step-by-step explanation:
The student asked about the child mortality rate in Luxembourg. According to the provided choices, the correct answer is a) 1.9 per 1000. To clarify, the infant mortality rate is an annual number of infant deaths per 1,000 live births in a population, often used as a reliable indicator of the overall level of health. The data shows that in high-income countries, the rate is significantly lower compared to low-income countries. The statistic for Luxembourg is in line with other high-income countries which have much lower child mortality rates than low-income countries.