According to the week 10 lecture, when experts attempt to project fertility rates for particular groups into the future: Question 8 options: they determine the average fertility rate for that group over the past 10 years, and assume that it will remain the same in the future they assume that urbanization will lead to a decline in fertility rates they assume that urbanization will lead to an increase in fertility rates they just make the numbers up, because there really is no way to project future fertility rates, or population trends