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Q6 (a) (b) (c) HighFish Marine manufactures diesel engines for small commercial boats and shrimp trawlers. One of their CNC machines has caused several problems. Over the past 30 weeks, the machine has broken down, as indicated in Table Q6. Table Q6: The frequency and number of breakdowns per week Number of breakdowns per week Frequency (Number of weeks that breakdowns occurred) 0 2 3 8 5 7 Each time the machine breaks down, the company loses about $3,000. If the company implements preventive maintenance, it can reduce the number of breakdowns by 50%. Calculate the expected number of breakdowns. 4 S S Calculate the expected cost of breakdowns per week with breakdown maintenance. The weekly cost of preventive maintenance is RM4500. Does preventive maintenance cost a practical option? Justify your answer.

Q6 (a) (b) (c) HighFish Marine manufactures diesel engines for small commercial boats and shrimp trawlers. One of their CNC machines has caused several problems. Over the past 30 weeks, the machine has broken down, as indicated in Table Q6. Table Q6: The frequency and number of breakdowns per week Number of breakdowns per week Frequency (Number of weeks that breakdowns occurred) 0 2 3 8 5 7 Each time the machine breaks down, the company loses about $3,000. If the company implements preventive maintenance, it can reduce the number of breakdowns by 50%. Calculate the expected number of breakdowns. 4 S S Calculate the expected cost of breakdowns per week with breakdown maintenance. The weekly cost of preventive maintenance is RM4500. Does preventive maintenance cost a practical option? Justify your answer.

Practical Management Science
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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Q6 HighFish Marine manufactures diesel engines for small commercial boats and shrimp trawlers. One of their CNC machines has caused several problems. Over the past 30 weeks, the machine has broken down, as indicated in Table Q6. (b) Table Q6: The frequency and number of breakdowns per week Number of breakdowns per week Frequency (Number of weeks that breakdowns occurred) 0 8 2 4 5 3 4 7 5 10 5 19 1 Each time the machine breaks down, the company loses about $3,000. If the company implements preventive maintenance, it can reduce the number of breakdowns by 50%. (a) Calculate the expected number of breakdowns. Calculate the expected cost of breakdowns per week with breakdown maintenance. The weekly cost of preventive maintenance is RM4500. Does preventive maintenance cost a practical option? Justify your answer.
Transcribed Image Text:Q6 HighFish Marine manufactures diesel engines for small commercial boats and shrimp trawlers. One of their CNC machines has caused several problems. Over the past 30 weeks, the machine has broken down, as indicated in Table Q6. (b) Table Q6: The frequency and number of breakdowns per week Number of breakdowns per week Frequency (Number of weeks that breakdowns occurred) 0 8 2 4 5 3 4 7 5 10 5 19 1 Each time the machine breaks down, the company loses about $3,000. If the company implements preventive maintenance, it can reduce the number of breakdowns by 50%. (a) Calculate the expected number of breakdowns. Calculate the expected cost of breakdowns per week with breakdown maintenance. The weekly cost of preventive maintenance is RM4500. Does preventive maintenance cost a practical option? Justify your answer.
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