30. Return to Problem 4 relating to Aspen Plastics producing plastic bottles to customer order. Suppose that the specification for the bottleneck diameter is 0.600 { 0.050 and the population standard deviation is 0.013 inch.a. What is the Process Capability Index?b. What is the Process Capability Ratio?c. If the firm is seeking four-sigma performance, is the process capable of producing the bottle?