Expert Answer:Probability and statistics writing assignment

  

Solved by verified expert:Hello there, Instructions will be attached. I need help doing this writing assignment for statistics. all the instructions will be attached in the following attachment. Notes:500 words at leastinclude pie or bar charts.Thank you
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Assignment Preparation:
You can complete this assignment after reading Chapters 3 and 4 in your textbook and
Writing Assignment 2.1. The problem involves selecting a major vendor through
comparative analysis.
Assignment 2.5:
Review and revise your document using the input from your classmate to assist your
own revision process. Be sure to edit the document for grammar and spelling prior to
turning it in. For convenient reference, the assignment is included below.
Problem description: You oversee a manufacturing facility that produces an
automotive part (steel shaft for the gearbox). The acceptable dimension of the shaft is
2.5±0.05 inches in diameter with the most desirable product having a diameter of
exactly 2.5 inches. Two vendors are trying to sell your company, Automotive Parts
Corporation, their machines for the shaft-machining task. You have been asked to
assess the machines from each vendor, and to make a recommendation for a machine
vendor supported by a justification for your decision.
You asked both vendors to supply data on the machining accuracy of their machines for
the given task. Both vendors machined 100 shafts, collected data, plotted histograms,
fitted the histograms with normal distributions and supplied you with their findings.
Let X= diameter in inches of the gearbox shaft
Ace Machines: X has a normal distribution with mean 2.48 and variance 0.001
Best Machinery: X has a normal distribution with mean 2.51 and variance 0.002
When you are completing your memorandum be sure to address the following:



Recommend a vendor using the given information, develop and discuss your
approach (give all details including quantitative justification). Your response to this
question must be directed to the audience described below.
Examine the scenario as described and discuss what additional information would
be helpful to make this recommendation a stronger selection, and why that
information would be useful. Be careful not to negate your recommendation as you
explain this.
Include your calculations as a titled addendum on its own page at the end of your
document
Audience: You are creating this document for the company’s Chief Operating Officer,
Lin Gerard, and copying the Chief Financial Officer, Aileen Kitts. Documents involved in
major financial decisions like this may also be distributed by the addressees to other
executives and the corporate board members.
Document: Complete this assignment as a memorandum. Utilize clear, professional
language, including setting your Word preferences to more professional settings.
Examples of professional language constraints would include:



Utilize plain language (Links to an external site.)Links to an external site..
Develop the document around a direct, coherent message (thesis) (Links to an
external site.)Links to an external site. and clear analysis (Links to an external
site.)Links to an external site. to support it.
Do not use contractions, slang or colloquialisms, clichés (Links to an external
site.)Links to an external site., abbreviations, or text message shortcuts.
Follow the guidance for a business memorandum
provided in your reading.

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