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Book/movie review
22/08/2022
I want sombody to solve question 2 and 3 only.
2- An elevator in a manufacturing plant carries exactly 400 kilograms of material. There are three kinds of material packaged in boxes that arrive for a ride on the elevator. These materials and their distributions of time between arrivals are as follows:
Table
It takes the elevator 1 minute to go up to the second floor, 2 minutes to unload, and 1 minute to return to the first floor. The elevator does not leave the first floor unless it has a full load. Simulate 1 hour of operation of the system. What is the average transit time for a box of material A (time from its arrival until it is unloaded)? What is the average waiting time for a box of material B? How many boxes of material C made the trip in 1 hour?
3- Consider a single-product (s, S) inventory system, where the inventory level is checked at the beginning of every week. An order up to level S is placed if the inventory level I is less than s, while no order is placed if I is greater than or equal to s. Demand occurs with inter-demand time following a discrete uniform distribution with probabilities given by p(b) = 1/3 with b = 2, 3, 4 days. Demand size = 5, 6, 7, 8 with respective probability 1/6, 2/6, 2/6, 1/6. If the current policy parameters s, and S equals 10, 40 respectively and the delivery lag (lead time) is fixed at 3 days, calculate the total inventory cost of 4 weeks given the following cost information;
Ordering cost is $32+ $3 × Q, where Q is the order size. Holding cost is $0.1 per item per day.
Shortage cost is $1 per item per day
Note that at time 0, there is 40 items on hand.
The writer is very fast, professional and responded to the review request fast also. Thank you.
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