19. a lim wishes to estimate with an citor ol not more than 0.03 and a level or confidence of 98% the proportion ol consumers that prefers its brand ol househol

19. A lim wishes to estimate with an cITor ol not more than 0.03 and a level or confidence of 98% the proportion ol consumers that prefers its brand ol household delergCnt. Salcs reports lndicate that about 0.20 of all consumers preler the firms brand. What is the rCquired sample size ? (A) 965 985 B) 975 C) (D) 995