25pts) New digital scanning graphics equipment is expected to cost $21323, to be used for 4 years, and to have an annual operating cost (AOC) of $10471 with a Salvage value of $2162. Determine the AW values for one and four life cycles at i = 10% per year.

Question 4: (25 marks) 150 words Making a decision can be very easy or difficult, depending on the amount of information you have about your choices. In choosing a career path, it is important to think about many factors, like the kind of decision-maker you are, what decision-making style you use, and things that can interfere with the decision-making process. A. List and Explain Decision Making Styles. B. List and Explain Decision Making Steps.LGEBRA AND MUTIVARIATE CALCULUS FOR ENGINEERS Spring 2020 Lot S be a square plate with boundary C having length of each side as 2 units, lying in the plane z = 1 in R3. F= z?, x, 0. Use Stokes's theorem to evaluate SF . r(s ) ds . Then answer the following questions. 4. Choose the value of the OF. P(s) as): Choose... KG 2. Choose the unit normal vector to the surface S: D. #[1, 0, 0] E #10, 1, 0] Choose F. #[0, 0, 1] 3. Choose the curl F on the surface S: G 2. 2v. 0 4 0. 2, 3 Choose... (2-2V). 0.0Question 1 (Sampling distribution) (8 point) Please shortly answer the following questions: (a) Explain the difference between the sample average Y and the population mean. (b) Explain the difference between an estimator and an estimate. Provide an example of each. Question 2 (Law of large numbers and Central limit theorem) (12 point) In a population, my = 200 and of = 49. Use the law of large numbers and central limit theorem to answer the following questions: (a) In a random sample of size n = 100, find E(Y) and P(Y x) = 0.1). Question 4 (Standard normal distribution) (18 point) Excess revenue (total revenue minus operating expenditures) in the nonprofit sector are normally distributed with a mean of $2.5 million and a standard deviation of $4 million. (a) What is the probability that a randomly selected nonprofit has negative excess revenues? (Hint: we are looking for P(X x) = 0.05)