Homework 3:

A car dealer pays $17,985 for each car purchased. The annual holding rate is estimated at 25%, and the ordering cost is $7,558. The dealer is selling an average of 516 cars a year.

3. Note the new information:

• The dealership can only park 45 cars in its small parking lot. Therefore, if needed, it will lease a nearby bigger parking lot, and use it to park access inventory.

• The dealer can get a discount of $1000 on the car's price if his order size is 275 cars or more.

3-1: If the dealer rejects the discount offer, what will be his order size?

a. 42 cars

b. 43 cars

c. 45 cars

d. None of the above.

3-2: If the dealer decides to accept the offer to order 275 cars, he uses the leased parking lot as a "Warehouse", and each time a car is sold from the small parking lot, he transfers a car from the leased large lot. Therefore, in his own lot, there are all the time 45 cars on display, but the inventory in the large lot is gradually depleting. What is the average inventory the dealership carry in the leased parking lot?

a. 275 cars    

b. 275/2 cars

c. 38+(275/2)      

d. 237/2

3-3 A car kept in the leased parking lot costs the dealer additional $250 in holding cost (which increases Ch¬). Calculate the annual total cost if the dealer decides to accept the "275" deal. Break down the costs: Annual Ordering cost, Annual Holding cost in the small parking lot, Annual Holding cost in the leased parking lot, Annual Purchasing cost. (not multiple choice, show work)

Total Snowfall and Number of Visitors at Yellowstone National Park

The table above shows the total snowfall (in inches) and the number of visitors to Yellowstone National Park during 18 randomly selected weeks. (Show all calculations)

1. Based on the variables involved in this relationship which variable do you think is the explanatory (x) variable and which is the response (y) variable?

2. Calculate the correlation between the two variables. r=

3. Interpret the full meaning of the correlation coefficient you calculated in #2, including direction, strength, and relationship between variables.

4. Calculate the average and SD for the variable you chose as the explanatory variable.

Average =

SD =

5. Calculate the average and SD for the variable you chose as the response variable.

Average=

SD=

6. Find the equation of the regression line that fits your data. Show all calculation.

7. Interpret the meaning of the slope of your regression model from question #6

8. Interpret the meaning of the y-intercept of your regression model from question #6. If there is no practical meaning, explain why.

9. Demonstrate how someone might use the regression model you found in question #6 to predict the value of a response variable. That is, plug a hypothetical x-value in your model and explain what it predicts.

Below are four bivariate data sets and the scatter plot for each. (Note that each scatter plot is displayed on the same scale.) Each data set is made up of sample values drawn from a population.

Answer the following questions. The same response may be the correct answer for more than one question.

An automobile manufacturer has given its jeep a 56.7 miles/gallon (MPG) rating. An independent testing firm has been contracted to test the actual MPG for this jeep since it is believed that the jeep has an incorrect manufacturer's MPG rating. After testing 160 jeeps, they found a mean MPG of 56.4. Assume the population variance is known to be 4.41. A level of significance of 0.05 will be used. State the null and alternative hypotheses.

For each of the following pairs of variables, indicate if you would expect the direction to be positive or negative.

(a) SAT score and College GPA for students.

Distance from the equator and average January temperature for US cities.

Age at death and weekly cigarette consumption

(b) Airfare and distance to destination

Number of miles driven and asking price for a used Honda Civic listed for sale.

Number of classes missed and overall course score in a class.

Using PHP, Create a form that uses the method POST to send the information. The form should capture the distance the package needs to travel with the one field for the distance in miles.
All fields should have the REQUIRED attribute.
The form should have a submit button and reset button.
The form should look nice. All the labels should line up horizontally and all the
INPUTS/SELECT should line up horizontally.

Write a C++ program that calculates mileage reimbursement for a salesperson at a rate of $ 0.35 per mile. Your program should interact with the user in this manner:

MILEAGE REIMBURSEMENT CALCULATOR

Enter beginning odometer reading: 13505.2

Enter ending odometer reading     : 13810.6

You traveled 305.40 miles.

At $ 0.35 per mile, your reimbursement is $ 106.89.

The values in red color are inputs for the program.

The values in blue color are results of expressions.

I need the steps for this problem. If a runner (perpendicular area = 0.6 m2; fluid density = 1.14 kg/m3; Cd = 0.5) completes a marathon (26.2 miles) in three hours, while running against a 10-mph headwind throughout the race, how much more work will she have performed against the air, relative to completing the marathon in the same time on a still day (no wind)? Answer: ~395 KJ

Define the exception class called TornadoException. The class should have two constructors including one default constructor. If the exception is thrown with the default constructor, the method getMessage should return "Tornado: Take cover immediately!" The other constructor has a single parameter, m, of int type. If the exception is thrown with this constructor, the getMessage should return "Tornado: m miles away; and approaching!" Write a Java program to test the class TornadoException.