Marriage. Table 4 shows the marriage and divorce rates per 1,000 population for sele...

Marriage. Table 4 shows the marriage and divorce rates per 1,000 population for selected years since 1960.

(A) Let x represent the number of years since 1960 and find a cubic regression polynomial for the marriage rate.

(B) Use the polynomial model from part (A) to estimate the marriage rate (to one decimal place) for 2020.