لمّاح✨ SEU

يوم الخميس ⬇️ ⏪4 Jun 2026⏩ ▫️SCI201 8:00 - 10:00 اكتب متطوع تصوير فقط ، اي تعليق آخر ، حظر

أبحث عن السؤال بالسيرش وبيطلع لك مع الاجابة .

1 - If the percent-idle time of an M/M/1 system is 0.11, then the utilization factor (ρ) is: D - None of the given answers ✅ 2 - In the linear regression equation 2ŷ = 2 + 3x, the values of slope and y-intercept are respectively given by: A - 1.5, 1 ✅ 3 - Extra inventory maintained to protect against uncertainties in demand or lead time is called: C - Safety stock ✅ 4 - After establishing probability distributions in a Monte Carlo simulation, the next step is to: A - Construct cumulative probability distributions ✅ 5 - The selling price of a laptop bag is $40 per unit, while the variable cost is $25 per unit. If the fixed cost is $3,750, calculate the breakeven point in units. B - 250 ✅ 6 - Construct the material structure tree for item A. If one unit of item A requires 2 units of item B and 3 units of item C, and each unit of item B requires 4 units of item D, how many units of item D are needed to produce 5 units of item A? A - 40 ✅ 7 - What is the best decision according to Laplace's criteria? C - Alternative 3 ✅ 8 - In a project schedule, activity A has an Earliest Start time (ES) of 4 weeks, Earliest Finish time (EF) of 6 weeks; Latest Start time (LS) of 8 weeks, and Latest Finish time (LF) of 10 weeks. What is the slack time for activity A? B - 4 weeks ✅ 9 - Find the Critical activities. A - B, D, E, G ✅ 10 - The monthly sales of a product for the last four months were 210, 240, 180, and 270 units. Find the forecast for next month using a three-month moving average. B - 230 ✅

11 - A company sells a product with an annual demand of 900 units. Carrying cost is estimated to be 0.50 SAR per unit per year, and the ordering cost is 9 SAR per order. The economic order quantity (EOQ) is: A - 180 ✅ 12 - Consider the following transportation problem with the given supplies and demands. Using the Northwest Corner Method, determine how many units should be allocated from Source 2 to Destination B. D - 150 Units ✅ 13 - Which of the following is not a simulation technique? B - Work Breakdown Structure ✅ 14 - Which of the following statements concerning ABC analysis is false? D - Class A items are always the largest in quantity compared to other classes. ✅ 15 - If the optimistic, most likely, and pessimistic time estimates of an activity are 14 days, 17 days, and 20 days, respectively, what is the variance of this activity? A - 1 ✅ 16 - The queuing model M/M/m differs from M/M/1 mainly because: D - There are multiple servers ✅ 17 - A company wants to achieve maximum audience exposure with a limited advertising budget. Which quantitative technique is most suitable for solving this media selection problem? C - Linear Programming ✅ 18 - Consider the following linear programming problem: Maximize 3x+4y, Subject to X+2Y ≤ 100, 3X+Y ≤ 120, X, Y ≥ 0. Which of the following points (x, y) does not lie in the feasible region? D - (40, 30) ✅ 19 - If a random number 10 is selected from a random number table, then the corresponding simulated demand is: A - 1 ✅ 20 - A company estimates that the probability of a stock-out during the lead time is 0.08. What is the service level of the inventory system? B - 92% ✅

30 - In inventory management, lead time is the time between placing an order and receiving the inventory. A. True ✅ 29 - A company produces a product at a constant rate of 60 units per day. If the optimal production quantity is 1,800 units, then the production run lasts for 25 days. B. False ❌ 28 - Every transportation problem must have only three destinations. B. False ❌ 27 - In the weighted moving average method of forecasting, all previous periods are assigned equal weights. B. False ❌ 26 - In decision analysis, the Expected Value of Perfect Information (EVPI) represents the maximum amount a decision-maker should be willing to pay for additional information before making any decision. A. True ✅ 25 - In PERT/CPM, only the variances of activities on the non-critical path contribute to the overall project variance. B. False ❌ 24 - In queuing theory, balking refers to a situation in which customers choose not to join a waiting line after observing that the queue is too long or that the expected waiting time is high. A. True ✅ 23 - Crashing a project activity means reducing the activity completion time by allocating extra resources. A. True ✅ 22 - The basis of the Monte Carlo simulation is experimentation on the probabilistic elements through random sampling. A. True ✅ 21 - The optimal solution of a linear programming problem always occurs outside the feasible region. B. False ❌

مافيه مقالي اي سوال مب واضح اكتبو لي اصوره مرة ثانية

30 - In inventory management, lead time is the time between placing an order and receiving the inventory. A. True ✅ 29 - A company produces a product at a constant rate of 60 units per day. If the optimal production quantity is 1,800 units, then the production run lasts for 25 days. B. False ❌ 28 - Every transportation problem must have only three destinations. B. False ❌ 27 - In the weighted moving average method of forecasting, all previous periods are assigned equal weights. B. False ❌ 26 - In decision analysis, the Expected Value of Perfect Information (EVPI) represents the maximum amount a decision-maker should be willing to pay for additional information before making any decision. A. True ✅ 25 - In PERT/CPM, only the variances of activities on the non-critical path contribute to the overall project variance. B. False ❌ 24 - In queuing theory, balking refers to a situation in which customers choose not to join a waiting line after observing that the queue is too long or that the expected waiting time is high. A. True ✅ 23 - Crashing a project activity means reducing the activity completion time by allocating extra resources. A. True ✅ 22 - The basis of the Monte Carlo simulation is experimentation on the probabilistic elements through random sampling. A. True ✅ 21 - The optimal solution of a linear programming problem always occurs outside the feasible region. B. False ❌

In PERT/CPM, only the variances of activities on the non-critical path contribute to the overall project variance. B) False ❌ In decision analysis, the Expected Value of Perfect Information (EVPI) represents the maximum amount a decision-maker should be willing to pay for additional information before making any decision. A) True ✅ In inventory management, lead time is the time between placing an order and receiving the inventory. A) True ✅ Every transportation problem must have only three destinations. B) False ❌ The basis of the Monte Carlo simulation is experimentation on the probabilistic elements through random sampling. A) True ✅ The optimal solution of a linear programming problem always occurs outside the feasible region. B) False ❌ In the weighted moving average method of forecasting, all previous periods are assigned equal weights. B) False ❌ In queuing theory, balking refers to a situation in which customers choose not to join a waiting line after observing that the queue is too long or that the expected waiting time is high. A) True ✅