this is for supply chain management, pt 2

a) (2 points) In 2006, Shouldice Hospital admitted 14,965 patients. The hospital has 390 beds. Assume the hospital operates 365 days a year (and, please assume one patient per bed!). If the average patient stays in the hospital 8 days, how many beds were empty, on average, in 2006? b) ( 2 points) During the lunch rush hour at Chipotle, on average 20 customers are waiting in line for their sandwiches, and the waiting time for each customer is 5 minutes on average. How many customers are leaving the check-out counter every minute? c) (2 points) On a typical weekday in January, 4,200 customers visit the Ypsilanti Wal-Mart. It is estimated that, on average, there are 350 customers in the store. Assuming that the store is open 14 hours a day, how much time does the average customer spend in the store? d) (4 points) The total number and gender mix of employees in a certain company remains constant. Due to turnover, on average the company hires 150 men and 200 women each year. It is estimated that on average a woman stays 50% longer than a man. What proportion of the employees are women