Popular belief states that individuals around the world are moving to the suburbs to live. According to the United Nations, the number of people living in urban areas is shown below.
|
Number of People |
Sample Size |
|
|
1950s |
30 |
100 |
|
2020s |
50 |
100 |
Source – Fortune, “Plotting the Rise of the Megacity”, March 2020, p. 82.
|
Data |
|
|
Hypothesized Difference |
0 |
|
Level of Significance |
0.05 |
|
Group 1 |
|
|
Number of Items of Interest |
30 |
|
Sample Size |
100 |
|
Group 2 |
|
|
Number of Items of Interest |
50 |
|
Sample Size |
100 |
|
Intermediate Calculations |
|
|
Group 1 Proportion |
0.30 |
|
Group 2 Proportion |
0.50 |
|
Difference in Two Proportions |
-0.20 |
|
Average Proportion |
0.4000 |
|
Z Test Statistic |
-2.8868 |
|
p-Value |
0.0039 |
Assuming that the population variances are equal, is there evidence of a difference in in the proportion of people living in urban areas in the 1950s and 2020s (a = .05)?
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In: Statistics and Probability
You have the 2018 testing data from Brazil that tells you the sensitivity of test X is 80.0% and the specificity is 99.5%. The estimated prevalence of Zika virus is 1.5 per 10,000 women of child-bearing age. Answer the following questions legislators may present at a hearing.
NOTE: For this and the next problem, write the terminology related to the question when it is not provided (e.g., if you are calculating a sensitivity, explicitly state that this is the sensitivity). Please show all your work.
|
Zika Virus screening (Test X) |
Zika Virus |
Total |
|
|
+ |
- |
||
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+ |
|||
|
- |
|||
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Total |
|||
In: Statistics and Probability
On May 14, 2020, the spot rate for Australian Dollars was 0.7306 USD/ 1 AUD. The 180-day (6 month) forward rate quoted in the market was for 0.7340 USD/1 AUD and the risk-free rate on 180-day securities was 2.90 percent APR for United States LIBOR and 1.96 percent APR for Australian LIBOR. (LIBOR rates are widely used as a reference rate for financial instruments.) Assume that the US is the home country.
In: Finance
Bramble Corporation operates a retail computer store. To improve delivery services to customers, the company purchases four new trucks on April 1, 2020. The terms of acquisition for each truck are described below.
| 1. | Truck #1 has a list price of $42,150 and is acquired for a cash payment of $39,059. | |
| 2. | Truck #2 has a list price of $44,960 and is acquired for a down payment of $5,620 cash and a zero-interest-bearing note with a face amount of $39,340. The note is due April 1, 2021. Bramble would normally have to pay interest at a rate of 10% for such a borrowing, and the dealership has an incremental borrowing rate of 8%. | |
| 3. | Truck #3 has a list price of $44,960. It is acquired in exchange for a computer system that Bramble carries in inventory. The computer system cost $33,720 and is normally sold by Bramble for $42,712. Bramble uses a perpetual inventory system. | |
| 4. | Truck #4 has a list price of $39,340. It is acquired in exchange for 900 shares of common stock in Bramble Corporation. The stock has a par value per share of $10 and a market price of $13 per share. |
Prepare the appropriate journal entries for the above transactions for Bramble Corporation.
thanks!
In: Accounting
Startup of an online car rental and swap service by four people.
Write a Financial plan for 5 years
Include:
Sales Forecast
Income Statement
Cash Flow Statement
In: Operations Management
In: Economics
Describe astroturfing and its impacts on the reliability of online reviews .
Describe how you would determine if a review concerning a startup is legitimate or a fraud .
Feel free to make references.
In: Computer Science
If you are a startup and need a co-working space, how would you evaluate make your choice between IWG(Regus) and WeWork? explain as much and as clearly as possible
In: Economics
In terms of job loss, North Carolina is one of the states most adversely affected by the United States-Mexico-Canada Agreement (USMCA). Assume hypothetically that North Carolina is considering a 25% tariff (tax) on all foreign-manufactured textiles and furniture items imported into the state. The tariff's purpose will be predominately protective in nature, designed to protect and advance textile and furniture manufacturers in North Carolina and to create jobs. In a 250- to 500-word (double spaced Word document) original paper, advise the lawmakers in North Carolina of the CONSTITUTIONALITY of such a tariff and what other alternative remedies are available, if any.
In: Operations Management
A. On May 29, 1790, by a mere 2 votes, Rhode Island ratified the US Constitution and completed the Union of the original 13 English colonies into the United States of America. Today more than 220 years later, the US is 50 States, additional commonwealths, and more than 320 million human lives. Generations of Americans have been born, lived, and died as the country has grown and matured. To what can we owe the longevity and strength of the United States as a country on the global stage?
1. It was created by an legal act.
2. A country is a collection of individuals and states. Collections represent stocks that last.
3. A system goes on being itself as long as the interconnections and purposes remain intact.
4. It's not a system. It's a government.
B. The software components of an information system will act as a(n) ________.
functional anchor on the human side
2. actor on the computer side
3. actor on the human side
4.bridge between the computer side and the human side
5. instruction on the computer side
C. Which phase of the customer life cycle focuses on presenting prospects with information about the value the organization provides?
1. loss/churn
2. customer endorsement
3. marketing
4. customer acquisition
5. relationship management
D. Anyone who gathers data from a variety of sources, arranges that data into meaningful structure, and then aggregates the results to discover information hidden in the details engages in what activity?
1. automation
2.data mining
3.data hiding
4.encapsulation
5. cataloging
In: Operations Management