Final answer:
The arrival rate for the Twist Clothing Company is 6.82 customers per hour.
Step-by-step explanation:
To find the arrival rate for the Twist Clothing Company, we divide the total number of customers served in a day by the number of hours in that day. In this case, the company serves 75 customers in an 11-hour day. So the arrival rate is 75 customers / 11 hours = 6.82 customers per hour.