Is it possible for the servers in a queuing system to go physically to the calling units instead of the calling units going physically to the servers? no yes
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- An instructor has awarded 20% of the course grade to assigments, 10%to activities, 15% to exam-1, 15% to exam-2, 15% to exam-3 and 25%to the final exam. If a student scores 110 points from a total of 120total assignment points, 70 from a total of 90 activity points, 92% onexam-1, 88% on exam-2, 91% on exam-3 and expects to score 85% onthe final. What will be the student’s percentage score in the course onwhich the grade will be based?There are twenty marbles of similar colour and size where each marble is labelled with a number from 1 to 20. Find the number of ways to (i) select eight marbles such that five of them are labelled with odd numbers and the rest with even numbers, (ii) arrange six marbles in a row such that the first four marbles are labelled with odd numbers and the rest with even numbers.Suppose that the captain of a ship that is in distress must send a total of eleven different signals in succession. The eleven signals com- prise of 4 blue light signals (B1, B2, B3 and B4), 4 purple light signals (P1, P2, P3 and P4) and 3 red light signals (R1, R2 and R3). He must send the signals one after another at 1 minute intervals. In how many different ways may the captain send the signals if the purple light signals are the first 4 signals and the red light signals are the last 3 signals? [Answer]
- A twenty-something single person is planning a ski vacation. Assume that he has 2 possible destinations: Utah, and Oregon. There are 4 ski areas in Utah with 4 available times for 3 of the areas, and 1 times for the other area. There are 4 ski areas in Oregon with 2 available times for 3 of the areas, and 4 times for the other area. (A "time" refers to a weekend for which there are vacancies at the ski lodge.) A trip plan involves the selection of a location, ski area, and a time. How many possible plans are there?If you have 12 boxes then how many balls do you have to put randomly into the boxes in order to guarantee that some box will contain at least 4 balls?A group of 650 tourists includes 248 who have visited Germany, 115 who have visited Holland,and 319 who have visited neither Germany nor Holland. Use the Addition Principle to computehow many have visited both Germany and Holland.
- A building company pays Rp. 100.000, - per day for 50 laden (staff without expertise), Rp. 150,000 to 25 craftsmen 1 (personnel who have expertise in installing ceramics), and Rp. 200.000, - for 25 craftsmen 2 (manpower who have expertise in wood and electricity). What is the average wage paid by the building company for the three types of employees.It is week 1 and there are currently 84 Apple Watches Series 6 in stock. We need 431 Apple Watches at the start of week 6. Apple Watch has a lead time of 2 week, in which week should an order be placed to meet the requirement of Apple Watches? Input should be an exact number le 5 or 10)In a survey of 165 students, it was found that 65 students use Facebook, 85 students use Instagram, 50 students use Twitter, 25 students use both Facebook and Instagram, 15 students use both Facebook and Twitter, 20 students use both Twitter and Instagram, 10 students use all three social media platforms (Facebook, Instagram and Twitter). (a) Find the number of students who use exactly one of the three social media platforms. (b) Find the number of students who use none of the three social media platforms.
- Suppose that Dell Corporation has 18,000 computers in its warehouses on December 31, 2022, ready to be shipped to merchants (each computer is valued at $500). By December 31, 2023, Dell Corporation has 27,000 computers ready to be shipped, each valued at $450 Calculate Dell's inventory on December 31, 2022 Delt's inventory on December 31, 2022 is $ (Enter your response as a whole number.)Find two numbers whose sum is 10, and the sum of whose squares is minimum O 3,7 O 4, 6 O 5, 5 O 2, 8Kolkmeyer Manufacturing Company is considering adding two machines to its manufacturing operation. This addition will bring the number of machines to nine. The president of Kolkmeyer asked for a study of the need to add a second employee to the repair operation. The arrival rate is 0.05 machines per hour for each machine, and the service rate for each individual assigned to the repair operation is 0.4 machines per hour. Mention the queuing model that can be implemented for the analysis (notation of Kendall) and why that model was chosen