What is the optimal headway for a bus route with the following characteristics: • Operating cost of $61/bus-h • Value of passenger wait time of $13/h • Cycle time of 1.9 hours Total patronage on the route of 549 passengers
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- 97) plz help with this A toll tunnel has decided to experiment with the use of a debit card for the collection of tolls. Initially, only one lane will be used. Cars are estimated to arrive at this experimental lane at the rate of 500 per hour. It will take exactly 5.0 seconds to verify the debit card b. How many cars would you expect to see in the system?Note: Round your intermediate calculations to 3 decimal places and final answer to 2 decimal places.Q2. In Aegis life insurance company, the deposit and withdrawal functions associated with cer- tain investment product are separated by two clerks, Stack and Slack. Deposit slips arrive at Stack’s desk according to a Poisson process with a mean rate of 16 per hour. Withdrawal slips arrive at Slack’s desk according to a Poisson process with a mean rate of 14 per hour. The time required to process either transaction has an exponential distribution with a mean of 3 minutes. Based on this information, answer the following questions: (a) In the current situation, what model will you apply for analysis of queuing system at Stack’s desk and Slack’s desk? Answer this question by filling the following table. Model λ µ ρ Reaches steady state? Stack's Desk - - - - - Slack's Desk - - - - - (b) What is the expected waiting time of a deposit slip at Stack’s desk? What is the expected waiting time of a withdrawal slip at Slack’s desk? Suppose “the system” contains both Stack and…Multiple Choice Question, Pls solve it quickly
- The United Airlines security station for Terminal C inIndianapolis has 3 X-ray machines. During the busy earlymorning hours, an average of 400 passengers per hour arriveat Terminal C (with exponential interarrival times). EachX-ray machine can handle an average of 150 passengers perhour (with exponential service times for X-ray machines). After going through security, 90% of the customers are freeto go to their flight, but 10% must be “wanded.” Threepeople are available to do the wanding. Wanding requires amean of 4 minutes, with a standard deviation of 2 minutes.a How long does it take the average passenger to passthrough security?b If there were no wanding, how long would it take theaverage passenger to pass through security?c Which would improve the situation more: adding an X-ray machine or adding an additional person to per-form wanding?Business continues to grow at Clean Machine. Melanie hasdecided to use a second car washing bay, staff ed with anotheridentical two-person team. Clean Machine will now use a singleline, multiserver, single-phase waiting line system. Th e arrivalrate is estimated to average 24 customers per hour according toa Poisson distribution. Each of the car wash teams can service anaverage of 16 customers per hour according to an exponentialdistribution. Calculate the following operational characteristics:(a) Average system utilization(b) Average number of customers in the system(c) Average number of customers waiting in line(d) Average time a customer spends in the system(e) Average time a customer spends waiting in line(f) Probability of having more than four customers in the systemI ONLY NEED NUMBER 4 LETTERS A-C 3. Sharp Discounts Wholesale Club has two service desks, one at each entrance of the store. Customers arrive at each service desk at an average of one every six minutes. The service rate at each service desk is four minutes per customer. 4. Sharp Discounts Wholesale Club is considering consolidating its two service desks (see Problem 3) into one location, staffed by two clerks. The clerks will continue to work at the same individual speed of four minutes per customer. a. What is the probability of waiting in line? b. How many customers, on average, are waiting in line? c. How much time does a customer spend at the service desk (waiting plus service time)? d. Do you think the Sharp Discounts Wholesale Club should consolidate the service desks?
- Explain the concept of Quality of Service (QoS) and its importance in WAN management.1. Apple Computer Inc. bought $900 of materials from its vendor for athe particular order of 6 computers. To deliver this particular order, UPS driver needs to stop in 3 different places to cover a total distance of 550 miles, the cost per stop is $0.58 and the cost per mile is $0.35 since it is using UPS service for delivery. Marginal cost per stop is $0.30, the fixed cost of handling a pallet of computers (pallet size = 6) is $12 and the variable cost of handling the same pallet is $6.60.a. How much Apple should charge a customer for shipping and handling for each computer?b. Find shipment cost for this order.c. Find the total cost per computer if Apple holds its inventory on an average 1.5 months at $0.75/year against every $1 of inventory?1- A bank is considering installing an ATM with a processing capacity of 3000 transactions from customers per day. Due to some restrictions and limitations, the ATM will be available to customers 60% of the time. It is expected that the ATM will be used to process (1200) transactions per day only. Required: Calculate: System Energy, System Efficiency, and Usage Level for the ATM
- Can you help me with Problem 3, thank you kindlySomeone has arrived in the greater Los Angeles area, and is planning on spending a long weekend seeing as much as the region has to offer as they can. Their trip segments are listed in the table below. Activity site Day to visit Arrive at ONT airport Fri Big Bear Lake (Magic Mountain) Fri Universal Studios Hollywood Sat Palm Springs Aerial Tram Fri Huntington State Beach Sun Griffith Observatory Sat Philippe the Original Sun Hollywood & Vine Sun Venice Beach Sat Leave ONT airport Sun #1. What is the shortest path the person can travel Sunday, if they: • Start their trip at Grand Central Market for breakfast. • Visit each activity site listed above for Sun • End their trip at ONT airport Give this answer as the O-D chain, from breakfast to the airport. What is the travel cost, in distance, for your answer to #1?Explain what causes waiting lines to form and why is it impossible to eliminate them completely ?