A B C D E F G H Problem #1 a Given O= 10.4 n= 36 (1/2-pts) CL = 90% X = 112.8 Z = What is Z-value for 90% CL UT SE = o/V(n) = m = Z*SE = LCL = X - m= UCL = X + m= 10 b) Given O= 10.4 n = 36 11 (1/2-pts) CL = 95% X = 112.8 12 Z= What is Z-value for 95% CL 13 14 SE = o/V(n) = m = Z*SE = 15 16 LCL = x - m= UCL = x + m= 17 18 c) Given OF 10.4 36 19 (1/2-pts) CL- 99% X = 112.8 20 What is Z-value for 99% CL 21 22 SE = o/V(n)= m = Z*SE = 23 24 LCL - x - m= UCL = X + m = 25 26 (1/2-pts) Compare the Margin of Errors for each case, as the Confidence Level increases, 27 what happens to the Margin of Error? 28 29