4. Solve p = = for p when a = 12 and n = 32. P = n P = 32 p = 0.38 5. Solve ME = Z (m) for ME when Z = 1.96, s = 7, and n = 35. ME = 1.96 (785) ME = 1.96 (5.913...) ME = 1.96 (1.183...) ME ~ 2.32 6. Solve ME = Z () for n when ME = 1, Z = 2.575, and s = 17. ME = Z (ST) 1 = 2.575 ( 47) n2.575(17) Vn = 43.775 n = (43.775)2 n ~ 1916.25