Please help!! Solve and explain please.

Next 4 Questions will be based on the following: Consider a single machine work station with the average base process time of 1 min and standard deviation of the process times of 0.8. A set up operation is performed after every 10 parts. The setup takes 10 min, and the coefficient of variability of setup time is 1.3 Question 9 1 pts What is the effective processing rate? O2 min/part 0.5 parts/min 0.5 min/part 1.3 parts/min Question 10 1 pts What is the coefficient of variation of the effective process time? 0.64 2.58 0.80 1.68 ncorrect Question 12 0/1 pts What is the new effective process time, after reducing the variability to 1.1 1.5 min 2.0 min O 0.5 min 1.0 min