The degree distribution of a network has the following functional form: Pk = Cak, Where a < 1 is a constant, and k ≥ 1 is the degree. a. Find out the value of C. b. Find out its probability generating function go (z) in compact form.
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- Consider an M/M/1 queueing system. Find the probability of finding at least n customers in the system.Consider the following simple linear regression. iid Y = Po + B₁X + e, e~ N(0,02), i 1,..., n.Use the Massey Method with a 10 max point differential for the following system: During the Early Part of the Season: Team B beats C by 8 points. Team D beats E by 5 points. During the Middle Part of the Season: Team A beats D by 10 points. Team E beats C by 5 points. During the Later Part of the Season: Team A beats E by 4. Team E beats B by 20 points. a. Draw a directed graph of this the season. Note that this question asks you to cap the point differential. b. Write the system of equations for this season using the Massey method. c. Solve the system (using least squares) to find the ratings for each team, and use those ratings to rank them.
- Three ballpoint pens are selected at random from a box that contains 2 blue pens, 2 redpens, and 2 green pens. If X is the number of blue pens selected and Y is the number ofred pens selected, find the covariance between X and Y . Show work.Given data points (1, 3), (0, -1). (2. 1). (4. 1). (-2. 1), center the data and compute the sample covariance matrix. Record the entries of the covariance matrix row by row, separated by commas.EXAMPLE 6.38 Consider an M/M/c queueing system. Find the probability arriving customer is forced to join queue. that an
- a. Find the probability that the device A functions but the device B does not. b. Find the probability that the device A or the device B or both function. c. Find the probability that the circuit operates. d. It is known that the circuit is operating, find the probability that device A is functional.Exercise ( H.W): 4/ A survey of 500 television watchers produced the following information. football games 195 = basketball games 115 = hockey games hockey and basketball 285watch 50 = 45 = football and basketball 70 football and hockey %3D 50 do not watch any of three games a/ How many people in the survey watch all three games b/ How many people in the survey watch exactly one of the three gamesIn the transmission of digital information, the probability that a bit has high, moderate, and low distortion is 0.01, 0.04, and 0.95, respectively. Suppose that three bits are transmitted and that the amount of distortion of each bit is assumed to be independent. Let X and Y denote the number of bits with high and moderate distortion out of the three, respectively. Determine: E(x) =
- a.State the predictors available in this model.Exercise: 1.8.1 Consider the monthly earning of a small business. Table 3 Year 1977 1978 1979 1980 1981 1982 1983 Y 12 14 18 17 13 4 17 a) Find the 3 point moving average. b) Find the least squares trend line for small business using Zero- sum method. c) Find the least squares trend line for small business using sequential method.A study was conducted to detemine whether a the final grade of a student in an introductory psychology course is linearly related to his or her performance on the verbal ability test administered before college entrance. The verbal scores and final grades for 1010 students are shown in the table below. Student Verbal Score x Final Grade y 1 56 64 2 45 51 3 49 58 4 38 43 5 53 60 6 48 58 7 55 67 8 52 60 9 26 35 10 65 80 Find the least squares line. y^= Should the regression be used to predict the final grade of a student with a verbal score of 100?