Questions
A 12.55 gram sample of an organic compound containing C, H and O is analyzed by...

A 12.55 gram sample of an organic compound containing C, H and O is analyzed by combustion analysis and 18.40 grams of CO2 and 7.532 grams of H2O are produced. In a separate experiment, the molar mass is found to be 60.05 g/mol. Determine the empirical formula and the molecular formula of the organic compound.

In: Chemistry

Heights of men on a baseball team have a? bell-shaped distribution with a mean of 175...

Heights of men on a baseball team have a? bell-shaped distribution with a mean of 175 cm and a standard deviation of 5 cm. Using the empirical? rule, what is the approximate percentage of the men between the following? values? a. 165 cm and 185 cm b. 160 cm and 190 cm

In: Statistics and Probability

The weights of boxes of a certain brand of pasta follow an approximately normal distribution with...

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...

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...

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: Looking at probability in research,...

Assignment Details

Answer the following 2 questions in your main post:

  • Looking at probability in research, which do you believe is the best approach between classical, empirical, and subjective? Explain.
  • When working with research, would you rather use conditional or joint probability? Explain.

In: Statistics and Probability

A 20.49 gram sample of an organic compound containing C, H and O is analyzed by...

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...

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....

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...

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