During lunch time, customers arrive at a postal office at a rate of lambda equals 36 per hour. The interarrival time of the arrival process can be approximated with an exponential distribution. Customers can be served by the postal office at a rate of mu equals 45 per hour. The service time for the customers can also be approximated with an exponential distribution. For each of the following questions, show your work and use the right notation. Required:
a. Determine the utilization factor.
b. Determine the probability that the system is idle, i. e., no customer is waiting or being served.
c. Determine the probability that exactly one customer is in the system, i. e., no customer is waiting but one is served.

11.     before adding cream to a simmering soup, you need to a. simmer the cream. b. chill the cream. c. strain the cream through cheesecloth. d. allow the cream reach room temperature. student d   incorrect which answer is right?

15. chef a insists that roux is the traditional thickener for bisque. chef b insists that it's rice. which chef is correct? a. neither chef is correct. b. both chefs are correct. c. chef b is correct. d. chef a is correct.

The direct labor budget of yuvwell corporation for the upcoming fiscal year contains the following details concerning budgeted direct labor-hours: 1st quarter 2nd quarter 3rd quarter 4th quarterbudgeted direct labor-hours 11,200 9,800 10,100 10,900the company uses direct labor-hours as its overhead allocation base. the variable portion of its predetermined manufacturing overhead rate is $6.00 per direct labor-hour and its total fixed manufacturing overhead is $80,000 per quarter. the only noncash item included in fixed manufacturing overhead is depreciation, which is $20,000 per quarter.required: 1. prepare the company’s manufacturing overhead budget for the upcoming fiscal year.2. compute the company’s predetermined overhead rate (including both variable and fixed manufacturing overhead) for the upcoming fiscal year.