Contracts for two construction jobs are randomly assigned to one or more of three firms A, B, and C. Let Y1 denote the number of contracts assigned to firm A and Y2 the number of contracts assigned to firm B. Recall that each firm can receive 0, 1 or 2 contracts.

(a) Find the joint probability function for Y1 and Y2.

(b) Find the marginal probability of Y1 and Y2.

(c) Are Y1 and Y2 independent? Why?

(d) Find E(Y1 − Y2).

(e) Find Cov(Y1, Y2)

Sam's Construction had a balance in its allowance for doubtful accounts at the end of 2014 of $44,500. Sam reported credit sales of $5,000,000 in 2014 and wrote off receivables of $43,000 during 2014. At the end of the year, Sam estimates un-collectible accounts receivable based on the year-end aging using the assumptions provided at left.

What should Sam report as bad debt expense for 2015?

Webster Chemical Company produces mastics and caulking for the construction industry. The product is blended in large mixers and then pumped into tubes and capped. Management is concerned about whether the filling process for tubes of caulking is in statistical control. The process should be centered on 8 ounces per tube. Several samples of eight tubes were taken, each tube was weighed, and the weights in Table 3.3 were obtained.

1. Assume that only six samples are sufficient and develop the control charts for the mean and the range.

2. Plot the observations on the control chart and comment on your findings.

With the Cascada project closing out the design phase and ramping up the construction and implementation phase, it's time to review the project staff assignments. You know there are some tasks that need resources. Project Staff Assignments Project Engineers Kamal Jafa Lynnette Abela Development Team Leads Larry Senters Stacy Whitmire Outreach Specialist Jason Marks Budget Officer Lindsey Fine Contracts Officer Robin Micks Health Information System Liaison Kyle Holohan, State Department of Health Environmental Liaison Ali Reza Ataie, State Department of Environmental Protection Media Plan and Campaign Director TBD Cyber Security Team Lead Kao Vang 2 Additional Cyber Security Specialists TBD Implementation Manager TBD Assistant Project Manager TBD One of your areas of concern is the media plan and campaign. Making sure the public is well-informed about construction and which areas will have traffic disruptions is an essential part of a successful project when public money is involved. You also need to ensure the patients are aware of the advantages of the Patient Portal so the feature is fully utilized once implemented. There are no available in-house resources that can help with this task. As a result, you will need to look for outside help. One of your old college classmates, Amanda Prichett, is a very competent public relations consultant. Even though she doesn't have a lot of health care experience, you know she would do an excellent job. In addition, she charges very reasonable fees, which is particularly appealing because you want to keep the project budget under control wherever possible. Another possibility is a public relations firm, Ortega Associates, that NEIT Capital Management has used on previous projects. Ortega has an excellent reputation for its work on health care projects, but as a regional firm, it can be quite expensive. You consider the best way to move forward. Considering Prichett as a candidate for the media planning role does raise some ethics questions. You decide to take a look at the Project Management Institute's Code of Ethics and Professional Conduct. Read: "PMI's Code of Ethics and Professional ConductPreview the document."

Make and Support Your Decision

You need a resource to lead the media plan and campaign during the construction phase of the project. You decide to: Hire Amanda Prichett despite her lack of health care project experience because you are confident that she will perform the job at a reasonable price. Hire Ortega Associates, knowing that the firm will perform the job at a more expensive price but that it has extensive health care project experience. Have another member of the team evaluate different public relations vendors—including but not limited to Amanda Prichett and Ortega Associates—and make a recommendation.

What to Submit

Once you've made your selection, write an email to Victor Nguyen, NEIT Capital Management’s Project Management Office Director, explaining your decision. Your email must clearly identify which option you chose, justify your choice, and address reasons why the other options are not the best choice.

1. Starting with an empty tree, show each step in the construction of an AVL tree using the following input in the order given. For full credit, you must show the tree after each new input is added. 16, 7, 14, 18, 6, 17, 2, 5, 13, 22, 4 (6 pts.)

2. Show how the AVL tree in previous changes with the following operations. For full credit, you must show the tree after each iteration.

Remove: 17

Remove: 18

Remove: 22

Case Inc. is a construction company specializing in custom patios. The patios are constructed of concrete, brick, fiberglass, and lumber, depending upon customer preference. On June 1, 2017, the general ledger for Case Inc. contains the following data.

Subsidiary data for Work in Process Inventory on June 1 are as follows.

During June, raw materials purchased on account were $ 5,880 , and all wages were paid. Additional overhead costs consisted of depreciation on equipment $ 1,080 and miscellaneous costs of $ 480 incurred on account.

A summary of materials requisition slips and time tickets for June shows the following.

Overhead was charged to jobs at the same rate of $ 1.25 per dollar of direct labor cost. The patios for customers Rodgers, Stevens, and Linton were completed during June and sold for a total of $ 22,680 . Each customer paid in full.

Journalize the June transactions: (1) for purchase of raw materials, factory labor costs incurred, and manufacturing overhead costs incurred; (2) assignment of direct materials, labor, and overhead to production; and (3) completion of jobs and sale of goods. (Credit account titles are automatically indented when amount is entered. Do not indent manually. Round answers to 0 decimal places, e.g. 2,500.)

Post the entries to Work in Process Inventory. (Round answers to 0 decimal places, e.g. 2,500.)

Reconcile the balance in Work in Process Inventory with the costs of unfinished jobs. (Round answers to 0 decimal places, e.g. 2,500.)

Prepare a cost of goods manufactured schedule for June. (Round answers to 0 decimal places, e.g. 2,500.)

Question 2: Consider the following activities and their durations and requirements for a construction project.

Part a) Draw the project network and determine the critical path in the project network using most likely activity durations. (Show the network, total flow of each activity, and critical path)

Part b) How many days activity F could be delayed its early start date without delaying the start date of other activities? (Explanations and calculations)

Part c) If company’s president wants to have a 95% chance of completing the project before July 30, when should the project began? (Explanations and calculations)

Try SpiritTry Spirit

Calendars imprints calendars with college names. The company has fixed expenses of

$ 1 comma 095 comma 000$1,095,000

each month plus variable expenses of

$ 6.50$6.50

per carton of calendars. Of the variable​ expense,

6868​%

is cost of goods​ sold, while the remaining

3232​%

relates to variable operating expenses. The company sells each carton of calendars for

$ 16.50$16.50.

Read the requirements

LOADING...

.

Requirement 1. Compute the number of cartons of calendars that

Try SpiritTry Spirit

Calendars must sell each month to breakeven.  

Begin by determining the basic income statement equation.

Using the basic income statement equation you determined above solve for the number of cartons to break even.

Requirement 2. Compute the dollar amount of monthly sales

Try SpiritTry Spirit

Calendars needs in order to earn

$ 308 comma 000$308,000

in operating income.  

Begin by determining the formula.

​(Round the contribution margin ratio to two decimal​ places.)

Requirement 3. Prepare the​ company's contribution margin income statement for June for sales of

495 comma 000495,000

cartons of calendars.

Requirement 4. What is​ June's margin of safety​ (in dollars)? What is the operating leverage factor at this level of​ sales?

Begin by determining the formula.

What is the operating leverage factor at this level of​ sales? Begin by determining the formula.

​(Round the operating leverage factor to three decimal​ places.)

Requirement 5. By what percentage will operating income change if​ July's sales volume is

1414​%

​higher? Prove your answer. ​(Round the percentage to two decimal​ places.)

Prove your answer. ​(Round the percentage to two decimal​ places.)

College SpiritCollege Spirit

Calendars imprints calendars with college names. The company has fixed expenses of

$ 1 comma 065 comma 000$1,065,000

each month plus variable expenses of

$ 3.50$3.50

per carton of calendars. Of the variable? expense,

7575?%

is cost of goods?sold, while the remaining

2525?%

relates to variable operating expenses. The company sells each carton of calendars for

$ 13.50$13.50.

Read the

requirements

LOADING...

.

Requirement 1. Compute the number of cartons of calendars that

College SpiritCollege Spirit

Calendars must sell each month to breakeven.??

Begin by determining the basic income statement equation.

Using the basic income statement equation you determined above solve for the number of cartons to break even.

Requirement 2. Compute the dollar amount of monthly sales

College SpiritCollege Spirit

Calendars needs in order to earn

$ 304 comma 000$304,000

in operating income.??

Begin by determining the formula.

?(Round the contribution margin ratio to two decimal? places.)

Requirement 3. Prepare the? company's contribution margin income statement for June for sales of

460 comma 000460,000

cartons of calendars.

??

Requirement 4. What is? June's margin of safety? (in dollars)? What is the operating leverage factor at this level of? sales?

Begin by determining the formula.

What is the operating leverage factor at this level of? sales? Begin by determining the formula.

?(Round the operating leverage factor to three decimal? places.)

Requirement 5. By what percentage will operating income change if? July's sales volume is

1111?%

?higher? Prove your answer. ?(Round the percentage to two decimal? places.)

Prove your answer. ?(Round the percentage to two decimal? places.)

Choose from any list or enter any number in the input fields and then continue to the next question.

Required information

[The following information applies to the questions displayed below.]

Susan Lopez, a consultant with Deloitte & Young, has just begun an engagement at Four Corners Airlines, which is based in Santa Fe, New Mexico. The company has fallen on hard times of late despite record profits for the rest of the airline industry. Management is somewhat set in its ways and could probably use some “new blood,” as the most recent hire to the firm’s executive team was 12 years ago.

In Lopez’s first meeting with the team, the airline’s chief executive officer commented that “all that mattered in this industry were load factors—the percentage of seats sold on scheduled flights. If load factors were adequate, everything else would take care of itself.” Lopez noted that while this measure was important, other, broader facets of operation were significant as well. She asked if any of the management team had heard of the balanced scorecard, and received dead silence as a response.

Based on her experiences with other engagements, including two that involved airlines, Lopez was convinced that the balanced scorecard could provide benefits in helping to solve the airline’s woes. After a presentation about the philosophy of the balanced scorecard, Four Corners Airlines’ management team accepted her idea, feeling that a shift in operating philosophy was needed for survival.

3. Identify the type of measure used to evaluate the key elements below. (Hint: There are 6 financial measurements, 6 customer-satisfaction measures, 8 internal business process measures, and 5 Learning and growth measures.)

table

Aircraft turnaround time between flights

Average age of aircraft in fleet

Average trip length (in miles)

Average wait time when calling reservations center

Cost per meal served

Earnings per share

Employee satisfaction scores

Employee training programs

Employee turnover

Enhancements to product line (new class of service)

Load factors

Market shareNet income

New unique features of frequent-flier club

Number of aircraft in fleet

Number of bags lostNumber of cities/new cities served

Number of passenger complaints

Operating expenses per seat mile

Passenger revenue per seat mile

Percentage of on-time arrivals

Percentage of on-time departures

Percentage of tickets sold through travel agents, reservation agents, and the Internet

Response time for resolving customer problems

Revenue growth