Chapter 16 - 8/30/11 Chapter16 NewMexicoPower...

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Click to edit Master subtitle style 8/30/11 Chapter 16 New Mexico Power Karen She Insung Jo Dongho Choo Qian Gao
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8/30/11 Main Points Marc Guerraz was hired to help New Mexico  Power transition to a competitive environment for energy services, which will occur in 1 year. Customers will be allowed to select their provider  of electricity. One of the crucial questions for New Mexico  Power is that of current customer retention. the current service territory of New Mexico  Power.
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8/30/11 Survey Results 500 customers 22% of customers would switch Margin of error is 4%, which means that (at 95%  confidence level) the actual percentage of  customers switching could be as low as 18% or as  high as 26% New Mexico Power senior management is  concerned about this error of 4%.
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8/30/11 Question 1 How could the error range be reduced without  collecting more data? Would you recommend  taking this approach? Why/Why not?
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Click to edit Master subtitle style 8/30/11 Stratification and n is fixed value.
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This note was uploaded on 08/30/2011 for the course MGM 403 taught by Professor Trivedi during the Spring '11 term at SUNY Buffalo.

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Chapter 16 - 8/30/11 Chapter16 NewMexicoPower...

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