Four Samples of 100 Each Were Taken from an Assembly

Multiple Choice

Four samples of 100 each were taken from an assembly line, with the following results:
Using the historical average as the central line of the chart, which one of the following is the limit for an attributes control chart with z = 2?

A) UCL > 0.1 and LCL > 0.03
B) UCL > 0.1 and LCL < 0.03
C) UCL < 0.1 and LCL > 0.03
D) UCL < 0.1 and LCL < 0.03