need help in Quality

1-The capability index Cp is used to: a-establish the tolerance for a given characteristic b-determine how close a process is performing compared to its specification limits and accounting for the natural variability of the process c-calculate the control limits for X-bar and R charts d-determine if a process that is centered within the specified limits and a state of control is able to consistently produce results that are within the required tolerance 2- ISO 9000 registration a-verifies less than 3.4 parts-per-million defective from a supplier b-verifies a supplier is lean c-verifies a supplier has high process capability d-verifies a supplier has a quality system in place 3- UCL, LCL of a range chart are determined by? a-The average subgroup range and the upper and lower specification limits b-The average of subgroup ranges only c-the average subgroup range and the standard deviation of the ranges in subgroups d-The X-bar mean and the average subgroup range 4-Which of the following is a graphical technique that identifies the vital few as opposed to the trivial many ( 80/20 rule) a-Fishbone diagram b-Histogram c-PERT/CPM chart d-Pareto diagram 5. Which of the following is a graphics technique used to analyze cause and effect relationships a-Fishbone diagram b-Histogram c-PERT/CPM chart d-Pareto diagram 6. A company-wide focus on providing quality service is known as a-total value analysis and engineering b-quality function deployment c-total quality management d-total quality control