(20) Suppose we want to know if there is a difference in the proportion of residents who support a certain law in county A compared to the proportion who support the law in county B. Conclude using p-value considering significance level (A+C)%. Explain your conclusion in detail. a. Parameter: two proportions b. HO: the two population proportions are equal c. H1: the two population proportions are not equal d. ZO=1.03