F.J. Brewerton Retailers, Inc., must decide whether to build a small or a large facility at a new location in Omaha. Demand at the location will either be low or high, with probabilities 0.4 and 0.6, respectively. If Brewerton builds a small facility and demand proves to be high, he then has the option of expanding the facility. If a small facility is built and demand proves to be high, and then the reatiler expands the facitliy, the payoff is $270,000. If a small facility is built and demand proves to be high, but Brewerton then decides not to expand the facility, the payoff is $223,000.
If a small facility is built and demand proves to be low, then there is not option to expand and the payoff is $200,000. If a large facility is built and demand proves to be low, Brewerton then has the option of stimulating demand through local advertising. If he does not exercise this option, then the payoff is $40,000. If he does exercise the advertising option, then the response to advertising will either be modest or sizable, with probabilities of 0.3 and 0.7 respectively. If the response is modest, the payoff is $20,000. If it is sizable, the payoff is $220,000. Finally, if a large facility is built and demand proves to be high, then no advertising is needed and the payoff is $800,000.
a.) What should Brewerton do to maximize his expected payoff?
b.) What is the value of this expected payoff?
In: Other
The Big Old Company is a global retailer with its headquarters in Chicago and subsidiaries in 50 different countries. Recently, top management officials at the Big Old Company reached the decision that the firm would benefit from the implementation of a performance management system. To implement the new system, a new strategic HR team has been assembled. Because each of the team members has some prior experience working in a performance management culture, the team knew better than to begin the performance management process before executing a well-designed communication plan.
However, none of the team members have experience in designing or implementing a new performance management system from scratch. Moreover, the team members are also simultaneously involved in other team projects. Not surprisingly, they are quite short on time and thus feel the need to design and carry out the communication plan as soon as possible. As a result, the team has come up with the following communication plan that has been sent to the CEO of the company for final approval before its execution.
“Our communication of the new performance management system will take the format of a lecture/presentation that will be part of the upcoming in-house general management training session for the company’s executives. During the presentation, we will first define the concept of a performance management system. We will then delve deeper into the details of the system by explaining the steps and number of meetings involved. Finally, we will conclude our presentation with a Q & A session.”
1.) After reading the above description of the communication plan, the CEO explained that he did not think that the communication plan would be very effective in promoting user acceptance and satisfaction. Subsequently, the CEO offered two recommendations to improve the communication plan. First, he suggested that the strategic HR team expand and redesign the presentation. Second, he emphasized that there was no evidence of how the HR team would execute the communication plan before and after the planned presentation. Given these two statements, how can the HR team improve the communication plan?
In: Other
An advantage of the fixed-period inventory system is that:
A. safety stock will be lower than it would be under a fixed-quantity inventory system.
B. there is no physical count of inventory items when an item is withdrawn.
C. no inventory records are required.
D. the average inventory level is reduced. E. orders usually are for smaller order quantities.
In: Other
Refrigerant 134a in a cylinder-piston assembly is at 240 kPa with a quality 15% and then as a result of heat added the quality increases to 45%, what is the change in volume per one unit of mass (m3/kg)? The piston is assumed to move freely but it is sealed tight that does not allow mass exchange.
In: Other
Create a Java program which includes the following:
Uses a random value as well as manipulates string and character objects in order to make an SS# (xxx-xx-xxxx).
First 3 Numbers: Create a three digit random integer named FirstThree in the range of 100- 999. (10 Points)
Second 2 Numbers: Create a two digit number named SecondTwo by using FirstThree as follows: (10 Points)
If FirstThree is 550 or less then create a 2 digit string using the name StringFirstThree from the first 2 digits of FirstThree otherwise create a 2 digit string named StringFirstThree using the last 2 digits of FirstThree.
Last 4 Numbers: Use the user’s name to generate a four place number string as follows: (10 Points)
Ask the user to enter their first name. Change their input to uppercase and find the length named FirstNameLength. If the length is less than 10 then add a 0 in front of the number and call it FirstLastTwo.
Ask the user for their last name. Change their input to uppercase and find the length named LastNameLength. If the length is less than 10, then add a 0 after the number and call it SecondLastTwo.
Combine FirstLastTwo and SecondLastTwo into a string named LastFour.
SSN: Create a string named YourSSN that combines StringFirstThree, SecondTwo and
LastFour with dashes where the output is like this 123-45-9884. (10 Points)
Output: Tell the user their new SS number. (10 Points)
In: Other
i) Process Capability (See Page 317 - 319 of Goetsch and Davis
Chap. 18)
Formulas: (Do not use a d2 factor from fig. 18.22
).
Instead, use the formula Cp = (USL – LSL)/6
σ Note that σ is the
standard deviation. USL and LSL are the customer’s specification
limits.
Cpk is calculated in 2 ways:
Cpk = (USL – Xdouble bar)/ 3 σ Note that X double bar
is the process mean
Cpk = (X double bar – LSL)/ 3 σ
Customers of Don Corleone Pizza have specified that family-sized
pizza crusts they order should be 28 to 32 centimeters in diameter.
Sample data recently collected indicate that the crusts average 30
centimeters in diameter, with an estimated standard deviation sigma
(σ) of 0.5 centimeters.
(i) Calculate the Cp index to determine if Don Corleone’s pizza crust production system is capable of meeting its customers’ requirements. Briefly explain your findings
(ii) Suppose that a new operator produces pizza crusts with a process average of 30.6 centimeters instead of 30 centimeters. Calculate the Cpk twice. How capable is the system capable of meeting its customers’ requirements? If not, what options does Don Corleone have to rectify the situation?
In: Other
A cyber security engineer is installing a WAF to protect the company's website from malicious web requests over SSL. Which of the following is needed to meet the objective?
A. A reverse proxy
B. A decryption certificate
C. A split-tunnel VPN
D. Load-balanced servers
A cyber security consultant was asked to revise the security baselines that are utilized by a large organization. Although the company provides different platforms for its staff, including desktops, laptops, and mobile devices, the applications do not vary by platform. Which of the following should the consultant recommend? (Select Two).
A. Apply patch management on a daily basis.
B. Allow full functionality for all applications that are accessed remotely
C. Apply default configurations of all operating systems
D. Apply application whitelisting.
E. Disable default accounts and/or passwords
In: Other
Need a program in java that creates a random addition math quiz
The program should ask the user to enter the following
The smallest and largest positive numbers to be used when generating the questions -
The total number of questions to be generated per quiz -
The total number of the quiz's to create
from then the program should generate a random math (Just addition) quiz from what the user entered
In: Other
Fig. 8 shows the regular hexagonal cross-section of a thin-walled beam of sides ‘a’ and constant wall thickness t. The beam is subjected to a transverse shear force S, its line of action being along a side of the hexagon, as shown. Find the rate of twist of the beam in terms oft, a, S and the shear modulus G. Plot the shear flow distribution around the section, with values in terms of S and a
In: Other
Mad Libs are activities that have a person provide various words, which are then used to complete a short story in unexpected (and hopefully funny) ways.
Write a program that takes a string and integer as input, and outputs a sentence using those items as below. The program repeats until the input string is quit 0.
# in python
In: Other
Lead time for one of your fastest- moving products is 21 days. Demand during this period averages 100 units per day.
a) What would be an appropriate reorder point?
b) How does your answer change if demand during lead time doubles?
c) How does your answer change if demand during lead time drops in half?
In: Other
Consider the following time series data:
Week 1 2 3 4 5 6
Value 18 13 16 11 17 14
using the naïve method (most recent value) as the forecast for the next week, compute the following measures of forecast accuracy.
a. mean absolute error
b.mean squared error
c. mean absolute percentage error
d.What is the forecast for Week 7?
2. refer to the time series data in exercise 1. using the average of all the historical data as a forecast for the next period, compute the following measures of forecast accuracy
: a. mean absolute error
b. mean squared error
c. mean absolute percentage error
d. What is the forecast for Week 7?
3. exercises 1 and 2 used different forecasting methods. Which method appears to provide the more accurate forecasts for the historical data? explain.
In: Other
A pension fund manager is considering three mutual funds. The first is a stock fund, the second is a long-term government and corporate bond fund, and the third is a T-bill money market fund that yields a sure rate of 5.5%. The probability distributions of the risky funds are:
Expected Return | Standard Deviation | |
---|---|---|
Stock fund (S) | 15% | 36% |
Bond fund (B) | 9% | 27% |
What is the expected return and standard deviation for the minimum-variance portfolio of the two risky funds? (Do not round intermediate calculations. Round your answers to 2 decimal places.)
Expected Return
Stardard Deviation
In: Other
The following graph shows the current short-run Phillips curve for a hypothetical economy; the point on the graph shows the initial unemployment rate and inflation rate. Assume that the economy is currently in long-run equilibrium.
Suppose the central bank of the hypothetical economy decides to increase the money supply.
On the following graph, shift the short-run (SR) Phillips curve or drag the blue point along the curve, or do both, to show the short-run effects of this policy.
Hint: You may assume that the central bank's move was unanticipated.
In the short run, an unexpected increase in the money supply results in in the inflation rate and in the unemployment rate.
On the following graph, shift the curve or drag the blue point along the curve, or do both, to show the long-run effects of the increase in the money supply.
In the long run, the increase in the money supply results in in the inflation rate and in the unemployment rate (relative to the economy's initial equilibrium).
In: Other
(1) C&A's potato chip filling process has a lower specification limit of 9.5 oz and an upper specification limit of 10.5 oz. The standard deviation is 0.3 oz. and the mean is 10 oz. What is the process capability index (Cp) for the chip filling process?
(a) 0.56
(b) 1.11
(c) 0.33
(d) 3.33
(2) Which of the following represents customer requirement from a process?
(a) Sample size in control charts
(b) USL and LSL
(c) Process standard deviation
(d) UCL and LCL
(3) The mean of a process is 50, and the standard deviation is 2. The company uses statistical control process (SPC) to monitor the process. It uses sample size on 4, and 3 sigma (z=3) control limits. What are the Upper Control Limit (UCL) and Lower Control Limit (LCL)?
(a) LCL=48 and UCL=52
(b) LCL=44 and UCL=56
(c) LCL=47 and UCL=53
(d) LCL=49 and UCL=51
(4) If a company narrows the control limits for a process without making any other changes, which of the following will happen?
(a) The process will generate more products not acceptable by customers
(b) The process will not be stopped even when assignable cause is present
(c) The capability index for the process will reduce to a lower value
(d) The process will be stopped more often suspecting assignable cause
In: Other