Please help with each part, thank you!

The specifications for a product are 6 mm+0.1 mm. The process is known to operate at a mean of 6.065 with a standard deviation of 0.01 mm. What is the Cpk for this process? Select one: O a. 3.33 O b. None of the above O c. 5.5 O d. 1.67 O e. 1.17 What can you say about the above process if 4-sigma capability is required of the process? Select one: O a. The process is not capable O b. The process is out of control O c. The process is centered O d. The process is capable O e. The process is in control Which of the following would be most likely to help the process become 6-sigma capable? Select one: O a. The process is already 6-sigma capable O b. Increase the mean and increase the variability of the process O c. The mean stays the same and increase the variability of the process O d. Decrease the mean and the variability stays the same O e. Decrease the mean and increase the variability of the process