1.A study was done to determine whether there is a relationship between snoring and the risk of heart disease. Among 1,105 snorers in the study, 86 had heart disease, while only 29 of 1,379 nonsnorers had heart disease.

(a)Determine a 95% confidence interval that estimates p₁ − p₂ = difference in proportions of snorers and nonsnorers who have heart disease. (Let p₁ be the proportion of snorers and p₂be the proportion of nonsnorers. Round your answers to three decimal places.)

2.In a certain survey, a question asked is whether a respondent favors or opposes capital punishment (the death penalty) for persons convicted of murder. The output for this exercise compares the proportions who said that they were opposed to the death penalty in the year 2000 and the year 1993.

Estimate for p(1) - p(2): 0.035

(a) Find the value of s.e.(p̂₁ - p̂₂) = standard error of the difference between the two sample proportions. (Round the answer to four decimal places.)
s.e.(p̂₁ - p̂₂) =
Also, find a 90% confidence interval for the difference between the population proportions opposed to the death penalty in the years 2000 and 1993. (Round the answers to three decimal places.)

3. In a survey, 95% of n = 348 randomly sampled married men said that they would marry their spouses again if they had it to do all over again. In the same survey, 85% of n = 525 married women said that they would marry their spouses if they had it to do all over again.

Calculate a 95% confidence interval that estimates the difference in proportions of married women and men who would marry their spouse again if they had it to do all over again.(Round your answers to three decimal places.)

Can anyone explain all the answer?

1. Horizontal force needed to keep a sled moving along dry (it means not wet) horizontal surface is 10 N. You increase this force up to 20 N. Neglect air resistance.  What can you say about character of motion of a sled now?

a. Sled will continue to move with the same speed.

b. Sled will accelerate for a while up to higher speed and then move with constant, higher speed.

c. Sled will accelerate indefinitely.

d. Sled will move with constant speed two times greater than initial.

2. You try to move a refrigerator of weight 2000 N applying force of 500 N. Refrigerator does not move. The force of friction acting of refrigerator is:

a. 2000 N

b. More than 500 N but less than 2000 N

c. Slightly less than 500 N

d. 500 N

e. Zero.

3. A person rides an elevator standing of a bathroom scale (people are doing strange things). Elevator moves up with constant velocity. What will be the reading of a bathroom scale?

a. more than mg

b. mg

c. less than mg

d. zero

4. Some force acts on an object sitting on the horizontal surface and it accelerates. We increase force twice and perform experiment again. If surface is frictionless, the acceleration of an object will increase:

a. Less than two times

b. Exactly twice

c. More than twice

d. Stays the same.

5. An object is sitting at rest on a horizontal table. Which one of Newton’s laws predicts that normal force acting on this object is equal in magnitude and opposite in direction to the force of gravity (weight) acting on this object?

a. First

b. Second

c. Third

d. Law of gravitation.

On July 15, 2018, the Nixon Car Company purchased 3,000 tires from the Harwell Company for $30 each. The terms of the sale were 2/10, n/30. Nixon uses a periodic inventory system and the net method of accounting for purchase discounts.

Required:
1. Prepare the journal entries to record the purchase on July 15 and payment on July 23, 2018.
2. Prepare the journal entry to record the payment on August 15, 2018.
3. If Nixon instead uses a perpetual inventory system, explain any changes to the journal entries created in requirements 1 and 2.

On July 15, 2018, the Nixon Car Company purchased 2,300 tires from the Harwell Company for $35 each. The terms of the sale were 4/10, n/30. Nixon uses a periodic inventory system and the net method of accounting for purchase discounts.

Required:
1. Prepare the journal entries to record the purchase on July 15 and payment on July 23, 2018.
2. Prepare the journal entry to record the payment on August 15, 2018.
3. If Nixon instead uses a perpetual inventory system, explain any changes to the journal entries created in requirements 1 and 2.

On January 1, 2018, Packard Corporation leased equipment to Hewlitt Company. The lease term is eight years. The first payment of $450,000 was made on January 1, 2018. Remaining payments are made on December 31 each year, beginning with December 31, 2018. The equipment cost Packard Corporation $2,400,000. The present value of the lease payments is $2,640,788. The lease is appropriately classified as a sales-type lease. Assuming the interest rate for this lease is 10%, what will be the balance reported as a liability by Hewlitt in the December 31, 2019, balance sheet?

a- $1,950,867

b- $1,509,854

c- $1,959,867

d- $1,705,854

On September 29, 2018, Susie bought office furniture for $150,000. She also bought business computers for $90,000 on October 1, 2018. On January 10, 2019, Susie placed all of the assets in service. Susie did not elect to expense any of the assets under § 179, did not elect straight-line cost recovery, and did not take additional first-year depreciation (if available). Determine the cost recovery deduction for the business assets for 2018

. a. $39,435.

b. $14,290.

c. $34,296.

d. $30,290.

e. $36,000.

show all work of how solution was achieved

The Scott Corporation has outstanding 10,000 shares of 10%, $50 par value, cumulative, nonparticipating preferred stock and 80,000 shares of $10 par value common stock. The board of directors voted to distribute $45,000 as dividends in 2017, $65,000 in 2018, and $85,000 in 2019. Compute the amounts below.

1. Total dividend paid to preferred stockholders in 2017.           _____
2. Total dividend paid to common stockholders in 2017.             _____
3. Total dividend paid to preferred stockholders in 2018.          _____
4. Total dividend paid to common stockholders in 2018.            _____
5. Total dividend paid to preferred stockholders in 2019.          ______

Total dividend paid to common stockholders in 2019.   

Lance-Hefner Specialty Shoppes decided to use the dollar-value LIFO retail method to value its inventory. Accounting records provide the following information:

Related retail price indexes are as follows:

Required:
Determine ending inventory and cost of goods sold.

The shareholders’ equity of MLS Enterprises includes $100 million of no par common stock and $200 million of 6% cumulative preferred stock. The board of directors of MLS declared cash dividends of $31 million in 2018 after paying $7 million cash dividends in both 2017 and 2016.

What is the amount of dividends common shareholders will receive in 2018?