The local supermarket buys lettuce each day to ensure really fresh produce. Each morning, any lettuce that is left from the previousday is sold to a dealer that resells it to farmers who use it to feed their animals. This week, the supermarket can buy fresh lettuce for$8.00 a box. The lettuce is sold for $16.00 a box and the dealer that sells old lettuce is willing to pay $1.80 a box. Past history says thattomorrow's demand for lettuce averages 245 boxes with a standard deviation of 38 boxes.How many boxes of lettuce should the supermarket purchase tomorrow? (Use Excel's NORMSINV() function to find the correctcritical value for the given a-level. Do not round intermediate calculations. Round your answer to the nearest whole number.)Number of boxes

Cost price = $8 Selling price = $16 Salvage value = $1.80 Mean demand = 245 Standard deviation = 38…

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Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

Section: Chapter Questions

Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...

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CLV = Profit per year X Number of years as a customer (lifetime) less customer acquisition costs And we can use the churn rate % to tell us how many years our average customer stay by dividing 1/churn rate. In our case that is 1/20% = 5 years = customer lifetime. A supermarket chain ran a social media campaign and they got 2,000 new customers. The TOTAL cost of the campaign was $250,000. These customers visited the supermarket 25 times a year. Each customer spends $100 per visit and the supermarket makes a 4% profit margin on the customer’s spend. The retention rate of the customers is 60%. What is their CLV? Assume that the profit margin is based on the customer’s non-discounted spend, then deduct the discount.
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You are a Business Analyst working for the ABC Ball Bearing company. An hour ago, you sent an order of 74 boxes of your A1 ball bearings to a customer on your delivery truck. You have just found out that your truck is going to go over a bridge that has a weight limit of 11,500 lbs. You need to determine if your truck will safely make it over the bridge. If you determine that the truck cannot make it over the bridge, you will need to call the driver and have him/her turn back. The plant manager has told you that an empty delivery truck with the driver weights about 8500 lbs. You have 30 boxes of the A1 ball bearings in your plant. You immediately had them weighed. The weights of the boxes are: 40.1 41.1 39.5 40.1 39.1 41.2 37.6 39.1 41.6 40.8 43.2 38.9 38.1 43.5 36.9 39.1 40.5 41.2 37.6 44.0 38.0 39.8 42.1 38.6 41.3 43.7 36.9 43.6 38.1 40.2 1. Discuss what sampling bias is. Do you believe that using the 30 boxes in your warehouse caused sampling…
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Large-scale integrated (LSI) circuit chips are made in one department of an electronics firm. These chips are incorporated into analog devices that are then encased in epoxy. The yield is not particularly good for LSI manufacture, so the AQL specified by that department is 0.15 while the LTPD acceptable by the assembly department is 0.40. Assume the company is willing to accept a consumer's risk of 10 percent and a producer's risk of 5 percent. Find the sample size. Use Exhibit 10.16. Note: if the exact value of the computed LTPD ÷ AOQ ratio does not appear in Exhibit 10.16, use the next higher ratio. Note: Round up your answer to the next whole number. How would you tell someone to do the test?
(All answers were generated using 1,000 trials and native Excel functionality.) Galaxy Co. sells virtual reality (VR) goggles, particularly targeting customers who like to play video games. Galaxy procures each pair of goggles for $150 from its supplier and sells each pair of goggles for $300. Monthly demand for the VR goggles is a normal random variable with a mean of 160 units and a standard deviation of 40 units. At the beginning of each month, Galaxy orders enough goggles from its supplier to bring the inventory level up to 140 goggles. If the monthly demand is less than 140, Galaxy pays $20 per pair of goggles that remains in inventory at the end of the month. If the monthly demand exceeds 140, Galaxy sells only the 140 pairs of goggles in stock. Galaxy assigns a shortage cost of $40 for each unit of demand that is unsatisfied to represent a loss-of-goodwill among its customers. Management would like to use a simulation model to analyze this situation. (c) Use the simulation model…

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How many boxes of lettuce should the supermarket purchase tomorrow? (Use Excel's NORMSINV() function to find the correct critical value for the given a-level. Do not round intermediate calculations. Round your answer to the nearest whole number.)