Ten years ago, according to government records, 17% of the population of Elmwood had no health insurance. This year a poll revealed that 19.4% were without insurance. The margin of error was 1.8 percentage points. A) Find a confidence interval for the true percentage without insurance this year. Write the confidence interval after the letter A on your paper. A = B) Can we conclude that the percentage without insurance has increased from ten years ago? Write Yes or No after the letter B. C) Explain your answer using one of the 3 selections below (you can just write the number of the choice after the choices) after writing C (for example, C1, C2, or C3)