A Major Airline Is Interested in Monitoring Customer Satisfaction with Its

Multiple Choice

A major airline is interested in monitoring customer satisfaction with its baggage handling process. To do so, each day the airline randomly selects 100 customers and surveys them to determine if they are satisfied or not with the service provided. After 20 samples, a total of 260 unsatisfied customers were counted. The lower and upper control limits for the appropriate control chart for these data are

A) 0.029 and 0.231.
B) 0 and 0.145.
C) 0.0964 and 0.1363.
D) 0 and 0.4236.
E) 0 and 0.356.