The weights of boxes of a certain brand of pasta follow an approximately normal distribution with a mean of 16 ounces and a standard deviation of 0.05 ounces.
What percentage of boxes have weights that are more than 1 standard deviation above the mean? (Use the Empirical Rule 68, 95, 99.7)
In: Statistics and Probability
A 11.80 gram sample of an organic compound
containing C, H and O is analyzed by combustion analysis and
11.54 grams of CO2 and
2.362 grams of H2O are produced.
In a separate experiment, the molar mass is found to be
90.04 g/mol. Determine the empirical formula and
the molecular formula of the organic compound.
In: Chemistry
using examples from economic literature briefly explain how the following econometric models are applied in empirical work. Justify why each model is suitable for the selected area.
a) probit model
b) Logit model
c) cross section model
d) time series model
In: Economics
Assignment Details
Answer the following 2 questions in your main post:
In: Statistics and Probability
A 20.49 gram sample of an organic compound
containing C, H and O is analyzed by combustion analysis and
20.03 grams of CO2 and
4.100 grams of H2O are produced.
In a separate experiment, the molar mass is found to be
90.04 g/mol. Determine the empirical formula and
the molecular formula of the organic compound.
In: Chemistry
Why do you think the empirical studies about factors affecting equity returns basically showed that domestic factors were more important than international factors, and, secondly, that industrial membership of a firm was of little importance in forecasting the international correlation structure of a set of international stocks?
In: Finance
Answer the following:
1. What is Econometrics?
2. What is the Structure of Economic Data
3. What are the steps in Econometric Modelling
4. What are the steps in Empirical Economic Analysis
5. Definition of the Simple Regression Model
6. What is the Interpretation of Regression Output
7. Define OLS
In: Economics
You have a 5.00 g sample of an unknown compound. After analysis you find that its percent composition is 54.5% carbon, 9.10% hydrogen and 36.4% oxygen.
What is the empirical formula for this compound?
If the molar mass of this compound is 132 g/mol, what is its molecular formula?
In: Chemistry
a. What are the likely employment impact of minimum wages in a competitive labor market? What happens when the labor market is monopsonistic?
b. Discuss the empirical evidence on the various effects of the minimum wage.
c. What are pro’s and con’s of using a higher minimum wage to reduce income inequality?
In: Economics
Suppose that grade point averages of undergraduate students at one university have a bell-shaped distribution with a mean of 2.62 and a standard deviation of 0.43. Using the empirical rule, what percentage of the students have grade point averages that are at least 1.76? Please do not round your answer.
In: Statistics and Probability