a.The data below is from the US Census Bureau. It is the 2011 population data for the Midwest Region. (numbers are in thousands) 0-14 yr olds 13,180 15-64 yr olds 44,209 65 & over yr olds 8,715 Total 66,104 Using the table, calculate the ratio of under-15 year-olds to the total population of the Midwest. Write as a decimal, rounded to 2 decimal places.