A pollster claims that the mean amount spent on Christmas gifts by an American family is
$930 with a standard deviation of $180. What is the probability that the mean amount spent on
Christmas gifts for a sample of 500 families is between $910 and $970?

In one city, 85% of eligible voters are registered to vote. If 425 randomly selected
eligible voters are surveyed, what is the probability that at least 82% of those selected are
registered to vote?

A sample of 26 different payroll departments found that the employees worked an
average of 309.7 days a year with a standard deviation of 24.8 days. What is the 99%
confidence interval for the average days worked for all payroll departments?

Out of 180 randomly selected adults in the United States who were surveyed, 74 exercise on a regular basis. Construct a 98% confidence interval for the proportion of all
adults in the United States.

A study of elephants wishes to determine the average weight of a certain subspecies of
elephants. The standard deviation of the population is 1100 pounds. How many elephants
need to be weighed so that we can be 95% confident to be accurate within 130 pounds?

Which taxpayer is potentially eligible to receive the Child Tax Credit? In each scenario, the child mentioned is the taxpayer's only dependent or potential dependent, and the taxpayer provided more than half the child's support.

A. Abigail has a daughter, Malena, who is 7 years old at the end of 2019. Malena lived in Mexico for all of 2019 and is not a U.S. citizen, U.S. national, or U.S. resident alien.

B. Lucia has a niece, Alejandra, who was 9 years old at the end of 2019. Alejandra is not a citizen of the United States. Alejandra does have an Individual Taxpayer Identification Number (ITIN), and she lived in Mexico for all of 2019.

C. Ian has a nephew, Dylan, who is a resident alien. Dylan was 16 years old at the end of 2019. Dylan lived with Ian all year. Dylan obtained a social security number valid for employment before the due date of the return.

D. Perry has a son, Ryan, who was 17 years old at the end of 2019. Ryan is a citizen of the United States and qualifies as a dependent on Perry's 2019 tax return.

write 400–600 words that respond to the following questions with your thoughts, ideas, and comments. This will be the foundation for future discussions by your classmates. Be substantive and clear, and use examples to reinforce your ideas. In 1944, finance specialists and bankers from around the world met to discuss what the post-WWII monetary system would be. Given the instability of the pre-war period, the goal was to create a new system. The outcome of this was the Bretton Woods system, which had the U.S. dollar as the world reserve currency linked to gold at $35 an ounce. All other currencies were tied to the dollar with limits on how much they could appreciate or depreciate. The system lasted until the 1970s, when the United States decided to move away from gold convertibility. The modern system is based on supply and demand for currency and a managed float. Discuss the following in your main post: The U.S. dollar remains the world's reserve currency. Is this good for the United States, and if so, why? People usually think a "strong" dollar is good. Is this true for U.S. businesses, and does it help or hurt the U.S. balance of payments?

Studies indicate that variations in spending on health care are related to per capita national income levels, not entirely the health care needs of individuals. This finding is true across nations depending upon average level of income, or within nations, depending upon level of economic activity. Health care spending is lower in recessionary times and higher in times of robust business activity.

In other words, wealthy nations typically will spend fewer dollars, not only in total, but as a percentage of income in times of economic downturns or recessions, and larger sums in times of higher output and incomes. Research has also shown that health outcomes are not necessarily linked to the quantity of health care purchased.

However, the United States is a huge outlier in terms of cost relative to population health. Global health care travel is a private option that the wealthy in many countries use. Looking at the public and private options in different nations, discuss how reforms proposed for the United States may impact consumer and government spending on health care, availability of health care and perceived value of health care.

A large number of cattle are found to have mad cow disease and as a result, consumer confidence in the safety of beef is shaken. What would an economist predict will happen to the demand curve of beef?

1. A large number of cattle are found to have mad cow disease and as a result, consumer confidence in the safety of beef is shaken. What would an economist predict will happen to the demand curve of beef?

   	A.	Consumers will move to a point lower down the beef demand curve.
   	B.	There will be an upward movement along the beef demand curve.
   	C.	The beef demand curve will shift to the left.
   	D.	The beef demand curve will shift to the right.

1 points   

QUESTION 7

1. Assume that at maximum hourly productions levels, the United States can produce either 8 yards of fabric or 4 bushels of wheat, whereas Japan can produce either 5 yards of fabric or 6 bushels of wheat. Based on this information,

   	A.	both nations will gain from specialization and trade, with the US exporting wheat to Japan, and Japan exporting fabric to the US.
   	B.	the United States will benefit from trading but Japan will not.
   	C.	both nations will gain from specialization and trade, with the US exporting fabric to Japan, and Japan exporting wheat to the US.
   	D.	beneficial trade is impossible between the two countries.

Houston-based Advanced Electronics manufactures audio speakers for desktop computers. The following data relate to the period just ended when the company produced and sold 44,000 speaker sets:

Management is considering relocating its manufacturing facilities to northern Mexico to reduce costs. Variable costs are expected to average $20.00 per set; annual fixed costs are anticipated to be $1,986,000. (In the following requirements, ignore income taxes.)

Required:

1. Calculate the company’s current income and determine the level of dollar sales needed to double that figure, assuming that manufacturing operations remain in the United States.
2. Determine the break-even point in speaker sets if operations are shifted to Mexico.
3. Assume that management desires to achieve the Mexican break-even point; however, operations will remain in the United States.

1. If variable costs remain constant, by how much must fixed costs change?
2. If fixed costs remain constant, by how much must unit variable cost change?

4. Determine the impact (increase, decrease, or no effect) of the following operating changes.

United States has approximately 1.1 Million International Students out of which 3,50,000 students are from china, 200,000 from India.

Every year, approximately 20,000 Indian students come to United states for pursuing university education. The Minitab file has 500 students sample out of 20,000 in 2017. Based on this…

1. What is the range of GRE score in which TRUE POPULATION mean may belong? What is your understanding from this question?

2. What is the range of TOEFL score in which TRUE POPULATION mean may belong? What is your understanding from this question?

After years of rapid growth, illegal immigration into the United States has declined, perhaps owing to the recession and increased border enforcement by the United States (Los Angeles Times, September 1, 2010). While its share has declined, California still accounts for 35% of the nation’s estimated 11.3 million undocumented immigrants.

a. In a sample of 60 illegal immigrants, what is the probability that more than 21% live in California? (Round “z” value to 2 decimal places, and final answer to 4 decimal places.)

b. In a sample of 120 illegal immigrants, what is the probability that more than 21% live in California? (Round “z” value to 2 decimal places, and final answer to 4 decimal places.)

c. Comment on the reason for the difference between the computed probabilities in parts a and b.

• As the sample number increases, the probability of more than 21% also increases, due to the lower z value and decreased standard error.

• As the sample number increases, the probability of more than 21% also increases, due to the lower z value and increased standard error.