Question 4 : _ ( 3 0 points ) 4 a . What are the process capability indices for this process to meet design specifications? 4 b . What do you recommend? ( Hint: Compute the standard deviation of these data and use equations 1 7 . 9 , 1 7 . 1 0 , 1 7 . 1 1 , and 1 7 . 1 2 ) .