Veasabadoviz Veasabadoviz Math Answered 27. Using the Slowin's formula at 5% margin of error, sample of 1000? a. 220 b. 321 C. 296 d. 286 28. How many samples are there given, N = 300, e = 0.05, using the SLOVINS formula? a. 109 b. 171 C. 299 d. 300