Tyler Apiaries sells bees and beekeeping supplies. Bees (including a queen) are shipped in special packages according to weight. The target weight of a package is 1.8kg. Historically, Tyler's shipments have weighed on average 1.8kg, with a standard deviation of 0.12kg. a. The lower and upper tolerance limits are 1.7kg and 1.9kg, respectively. The process capability ratio is (Enter your response rounded to three decimal places.) Tyler Apiaries capable of meeting the tolerance limits 99.7% of the time. b. To achieve Six Sigma quality levels with regard to the weight of the bee packages, the standard deviation shoulc be kg. (Enter your response rounded to two decimal places.)