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Lei Shi

Mar 2011
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  • Responses: 562


  • BSc, Zhejiang University, 2001
  • MSc, National University of Singapore, 2004
  • Ph.D., University of Massachusetts Medical School, 2010


  • Biology
  • Mathematics
  • Chemistry
  • Physics

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Linear Optimization Problems

I need help with these problems. Problems 8-4, 8-6 MUST use Excel's Solver to complete the problems. Note, the template is also attached for these 2 problems and must be solved using this template.

8-4 (Animal feed mix problem) The Battery Park Stable feeds and houses the horses used to pull tour READ MORE »

Mathematics / Linear Transformation / Linear Programming / Optimization » 499312

CNP Bank Stat

Refer to data attachment
1. Century National Bank
Refer to data.
When Mr. Selig took over as president of Century several years ago, the use of debit cards was just beginning. He would like an update on the use of these cards. Develop a 95 percent confidence interval for the proportion of custom READ MORE »

Statistics / Hypothesis Testing » 477380

Linear Programming Exercises

Please help me out with these three problems. Please note that these problems need to be completed manually.

7-14 The Electrocomp Corporation manufactures two electrical products: air conditioners and large fans. The assembly process for each is similar in that both require a certain amount of READ MORE »

Mathematics / Linear Transformation / Linear Programming » 498429

More Quantitative Methods Problems

Please see attached. 5 exercises have Excel tables attached below. Thanks.

Statistics / Correlation and Regression Analysis / Regression Analysis » 514184

95% Confidence interval

The Minneapolis Star Tribune newspaper has decided to write an article about gasoline prices in the Twin Cities area (Minneapolis and St. Paul). The paper has designed a survey and taken a simple random sample of regular, unleaded gas prices at 35 area stations. The results are in the Area Gas Price READ MORE »

Statistics / Hypothesis Testing / Frequentist Inference / Confidence Interval » 463251
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