Numerade

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The USA Patriot Act expands an exception found in which of the following amendments to allow spying? A Second B Fourth C First D Fifth

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21. Let us consider a conjoint analysis problem for a USB flash drive with two attributes, each with the following levels. Storage size 4GB 8GB 12GB Price $100 $200 $300 Provide the table for computer coding of all combinations of attributes. You need to name each variable, so that the table makes sense.

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Now the other point of view by market critics who challenge the idea of market efficiency evidenced by the market failures. Provide three examples of market failures (first define market failure) that support the market critics who challenge the idea of market efficiency - we discussed this in lecture this week

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A company takes a survey of its customers and asks "How many times during the month of June did you use Uber or Lyft?" Suppose this histogram describes the data. What is the value of the mode? Answer with a number.

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Q4 (10 points) A complete bipartite graph $K_{m,n} = (V, E)$ is a graph defined by $V = [m + n]$ and $E = \{\{(a, b)\} : 1 \le a \le m \text{ and } m + 1 \le b \le m + n\}$. Show that the number of ways of colouring this graph in (at most) $k$-colours is $\sum_{i+j \le k} S(m, i)i!S(n, j)j! \binom{k}{i, j, k - i - j}$ where $S(N, R)$ denotes the number of ways of distributing $N$ distinct objects into $R$ nonempty indistinguishable sets. Hint: How is the number of surjective functions from $[n] \to [r]$ related to $S(n, r)$, the Stirling number?

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87) A red blood cell will undergo creation in A) 3% glucose B) water C) 5% glucose D) 7% NaCI E) 0.5% NaCI

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Monopolies and Profit Maximization 1) Consider the special case and assume that for a natural monopolist the marginal cost is constant and there is high fixed cost. Show graphically how the natural monopolist maximizes economic profits. At the point of profit maximization, what is the monopoly price and what is the monopoly quantity? Suppose now the natural monopoly is regulated. What is the best regulated price? What happens to economic profits with the regulation? How is the consumer surplus changed due to the regulation? Show graphically.

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Write the following functions: • A function to display a menu. • A function that obtains a key value between 1 and 10 • A function to encrypt. It should ask the user for the input file name and output file name, read text from the input file, and output the encrypted text to the output file. • A function to decrypt. It should ask the user for the input file name and output file name, read text from the input file, and output the decrypted text to the output file. Both encryption and decryption functions should take a key parameter. Print an error message if any of the files fail to open. Encryption: The shift key is used to modify each character by adding the key value to the character. Decryption: Reverses the process of encryption. The shift key is used to modify each character by subtracting the key value from the character. Hints: • Use inputStream.get() to read each character. This will allow you to read white spaces. Use the following main program: int main() { int choice, key; key = 3; //default do { displayMenu(); cin >> choice; if (choice == 1) { // call the set key function and assign to key } else if (choice == 2) { //call the encryption function } else if (choice == 3) { //call the decryption function } while (choice != 4); return 0; }

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in plain English, describe the language described by this NFA. ? = {a, b, c} and "e" transition represents epsilon transition. Question 21 (2 points) What is the regular expression that is equivalent (i.e. expresses the same language) to the following NFA?

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Compute for the effective interest rate, payment after 2 months Nominal rate: 24.5% compounded quarterly

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meredith u.