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The Lancaster Decor Company (LDC) makes wallpaper. One of its factories makes two types of wallpaper, pasted and unpasted. Both types of wallpaper are printed by a high quality gravure process and both are packed at the same Packaging plant. The difference is that the pasted wallpaper must pass through a pasting process before it is packed. The production planner wishes to know how many of each to produce next week so as to maximize the expected gross profit. In the case of pasted, this is $0.90 per yard and is $0.75 per yard for unpasted. There are constraints on the production facilities that will affect the planner's freedom of action. The factory has the print capacity to produce 50 yards per minute of either type of wallpaper, and the printer is available for 40 hours during the week. The capacity of the Packaging plant is measured in ''Packaging units'', of which there are 300,000 available. A Packaging unit is the length in yards of so-called standard wallpaper (which is no longer made by LDC). Pasted wallpaper is three times as thick as standard and unpasted is twice as thick as standard, the adhesive accounting for the difference. Thus, it takes three times as long to pack a roll of pasted wallpaper, compared with a roll of standard wallpaper. The pasting plant has a capacity of 100,000 yards per week. The Marketing Department insists that the factory must produce at least 30,000 yards of each type of wallpaper.
For the 20°C water flow of Fig, use the pitot-static arrangement to estimate (a) the centerline velocity and (b) the volume flow in the 5-indiameter smooth pipe. (c) What error in flow rate is caused by neglecting the 1-ft elevation difference?
Suppose P(A\B) = P(A), P(A and B) = .42, and P(A) =0.6. What is P(B)?
1) Tommy's cab company transports riders using 2 routes. Use the following data to determine the mean driving time and the variance in the driving time.
Formulate a linear programming model for this problem. Solve the model with Excel Solver. Interpret your solution. If you have the chance to buy additional land at the price of $50 per acre, would you prefer to do so? What if the price would be $70..
AvAir, a regional airline, reported miles flown data as shown in Table 1, below. In January 2002 AvAir added aircraft to its fleet and changed the method of scheduling maintenance.
Measure the quantities of the following items in the following drawing: Do not round the numbers in the middle of calculation. Write two decimal places to show the numbers used in your calculations procedures.
1.) My computer program offers two types of t-tests. One is a called independent groups ttest, and the other is called dependent groups t-test. When should I use which one? 2.) How does a one-tail test compare with a two-tail test for determining t..
Question 1: A process is to be monitored with standard values m = 10 and s = 2.5. The sample size is n = 2. (a) Find the center line and control limits for the chart.
Problem 1: For the beam below, determine the moment of inertia Ix' about the centroidal x' axis.
For each question involving a statistical test below, list the null and alternate hypothesis statements. Use .05 for your significance level in making your decisions.
Locate all relative (local) and absolute maxima and minima for the function: f(x)=2x^5-5x^4+7 on the closed interval [-1,3/2].
Problem: Consider the curve defined by the equation x4 + y4 = 4xy + 52. a. Find all points on the curve at which the tangent line is horizontal.
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