The results of inspection of DNA samples taken over the past $10$ days are given below. Sample size is $100.$

a$)$ The upper and lower $3-$sigma control chart limits are:

$UC{L}_p=(enter$ your response $as$ a number between $0$ and $1,$ rounded $to$ three decimal places$).$

B$)$

The defect rate for your product has historically been about $4\mathrm{.}00\%.$ For a sample size of $100,$ the upper and lower

$3-$sigma control chart limits are:

$UC{L}_p=(enter$ your response $as$ a number between $0$ and $1,$ rounded $to$ four decimal places$).$