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Question: As discussed in the text, it often is possible to use a theoretical distribution as an approximation of the distribution of some sample data. It is always important, however, to check to make sure that your data really do fit the distribution you propose to use. Consider the solar trash compactor data again. We calculated the sample mean = $1,005 and the sample standard deviation s ¼ $204. Taking these as approximately equal to μ and σ, find the normal cumulative probabilities for operating costs of $700, $800, $900, $1,000, $1,200, and $1,400. How do these theoretical normal probabilities compare with the data-based probabilities from the CDF in Figure 10.7? Do you think that the normal distribution is an appropriate distribution to use in this case? Compare the fit of the normal distribution CDF to the empirical CDF by superimposing them onto one graph.
Graph the OC curves for the sampling plan described in Problem for both manufacturers A and B. A maker of personal computers, Noname, purchases 64K DRAM chips.
Problem 1: Let the original symbol duration T be 0.1msec and the number of subcarrier is 16 (k=0:15). Guard time TG for cyclic prefix is 0.02msec. The combined symbol period Ts becomes 0.12msec. Let the OFDM signal go though a time varying channel..
Given a sample of 50 observations and 4 explanatory variables, what can you say about autocorrelation.
Calculate the future equivalent at the end of 2012, at 8% per year, of the following series of cash flows in Figure.
Formulate an LP model to yield the optimum production plan.
An automorphism of a group G is an isomorphism from G to itself. A subgroup H of G is called characteristic, denoted Hchar G, if every automorphism of G maps H to itself (that is, φ(H) = H for all automorphisms φ of G). Prove that characteristic s..
Consider the following cash flows for two mutually exclusive alternatives. Which one should be recommended?
M132: LINEAR ALGEBRA Find a matrix B in reduced-row echelon form that is row equivalent to A - Find det(A) - Calculate det(1/3A-1At)
1- compute the condition number of each eigenvalues of the matrix 0 -1 1 2b and determine for which values of b the
QUESTION 1: Did you double check that you are using the correct data set? QUESTION 2: How many observations are there?
Gravel is being dumped from a conveyor belt at a rate of 30 cubic feet per minute. It form a pile in the shape of a right circular cone whose base diameter and height are always equal. How fast is the height of the pile increasing when the pile is..
According to Thomson Financial. through January 25. 2006. the majority of companies reporting profits had beaten estimates (BusinessWeek. February 6. 2006).
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