"Do you think Hobbes' realist model explains well the interaction between states in today's international system? Explain and give examples of how realism plays a role in impacting the relationship between states/nations and cooperation especially in the UN decision-making."

"Do you think Hobbes' realist model explains well the interaction between states in today's international system? Explain and give examples of how realism plays a role in impacting the relationship between states/nations and cooperation especially in the UN decision-making."

Under the Federal Unemployment Tax Act (FUTA), __________ pay taxes to the __________, which deposit the money into the __________ government’s Unemployment Insurance Fund.

Multiple Choice

• employees, states, federal

• employers, states, federal

• employees, federal government, state

• employers, federal government, state

For a particle in an infinite potential well the separation between energy states increases as n increases (see Eq. 38-13). But doesn’t the correspondence principle require closer spacing between states as n increases so as to approach a classical (nonquantized) situation? Explain.

Facebook collects massive amounts of data, which the CEO states, is used to improve the "user's experience." He also states that the user has control of their own data and privacy through available settings as mentioned in their Terms of Service. Do you agree or disagree?

write the reaction that is happening in the hydrogen generator in symbols, including all states and balance (used zinc, HCl, and H20)

Write the reaction that is happening in the oxygen generator in symbols, including all states and balance. (used magnesium, hydrogen peroxide and water) Thank you!

Directions: Complete each of the following problems. Be sure to show your work in order to receive full or partial credit. Calculators are allowed along with 1 page (1 side) of notes any any necessary statistical tables.

1. (True / False) Estimating parameters and testing hypotheses are two important aspects of descriptive statistics.

2. (True / False) A statistic is calculated from a population and a parameter is calculated from a sample.  

3. (True / False) Descriptive statistics include visual display of data, measures of central tendency, and dispersion.

What type of data (attribute, discrete numerical, continuous numerical) is each of the following variables:

4. ______________________ The manufacturer of your laptop computer

5. ______________________ The number of tickets in a movie theater

Which level of data (nominal, ordinal, interval, ratio) is each of the following variables?

6. ______________________ Your social security number

7. ______________________ Temperature in degrees Celsius

8. 1,000 names are selected from a phone book containing 50,000 people by choosing every 50^th name. Which sampling method is this?

A) Simple random sample.

B) Systematic sample.

C) Stratified sample.

D) Cluster sample.

9.From its 32 regions, the F.A.A. selects 6 regions, and then randomly audits 25 departing commercial flights in each region for compliance with legal fuel and weight requirements. This is an example of

A) simple random sampling.

B) stratified random sampling.

C) cluster sampling.

D) judgment sampling.

10. Suppose we want to estimate vaccination rates among employees in state government, and we know that our target population is 55 percent male and 45 percent female. Our budget only allows a sample size of 200. We randomly sample 110 males and 90 females. This is an example of

A) simple random sampling.

B) stratified random sampling.

C) cluster sampling.

D) judgment sampling.

11. In 2018, the mean per capita expenditures on public libraries for all 50 states was 18 with a standard deviation of 5. The data follow a bell-shaped curve.

      a.    According to the empirical rule, what percentage of the expenditures should fall between 13 and 23? ________________

2. Within what interval should approximately 99.7% of the expenditures fall? _________________

12. Find the standard normal area under the curve for each of the following

Choose the proper statistical technique to use for each scenario from the list below.

A. One sample test for a mean

B. One sample test for a proportion

C. Two sample test for means- independent

D. Two sample test for means – paired

E. Two sample test for proportions

F. Chi square test of independence

G. Chi square test for homogeneity of proportions

H. One Way Analysis of Variance

I. Correlation

J. Simple regression

K. Multiple regression

L. Time series forecasting.

1. What is the statistical technique if you want to predict stock ownership (number of shares) based upon annual income?

2. A study has been carried out to determine if there is a difference in the average dollar contributions made by clerical workers at three different firms.

3. AAA wants to determine EPA mileage ratings of new cars based upon their weight and whether they are standard or automatic transmission.

4. According to the ICR Research Group, 63% of Americans in the 18-34 age group say they are comfortable filing income tax returns electronically, compared to just 49% of those 55-64. They sampled 200 people from each age group to determine if the younger set were more comfortable with electronic filing than those in the older group.

5. It has been reported that the average visitor from Japan spent $1953 during a trip to the United States, while the average for a visitor from the United Kingdom was $1738. Does the visitor from the United Kingdom spend significantly higher than a visitor from Japan?

6. One of the measures of the effectiveness of a stimulus is how much the viewers pulse rate increases on exposure to it. In testing a lively music theme for its television commercials, an advertising agency shows ads with the new music to 25 viewers and their mean pulse rate is 20.5 beats per minute while the mean pulse rate per minute for another sample of 25 viewers seeing the same ads with the old music was 16.9 beats per minute. Is the new music theme better?

7. A trucking firm is considering the installation of a new, low restriction engine air filter for its long-haul trucks, but doesn’t want to make the switch unless the new filter can be shown to improve the fuel economy (miles per gallon) of these vehicles. A test is set up so that each of 10 trucks makes the same run twice- once with the old filtration system and once with the new version.

8. A movie complex has a sellout for three movies rated G, PG, and R that they show simultaneously on a Friday evening. A sample of patrons from each movie is observed to determine if they purchase snacks or do not. Could the percentage buying snacks be the same for each movie?