What is the average number of errors per $100$ lines of code? Do not round intermediate calculations. Round your answer to three decimal places.

$0\mathrm{.}139$

Compute the control limits for a c$-$chart. Do not round intermediate calculations. Round your answers to three decimal places.

UCLc:

$0\mathrm{.}242$

LCLc:

$0\mathrm{.}035$

Choose the correct graph for the c$-$chart.

The correct graph is

graph B