Numerade

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Question 1 1.1 Define the sociology of education. (2) 1.2 What is the meaning of the word ‘education’? (2) 1.3 Explain the following concepts: a) Meritocracy (1) b) Social class (1) c) Solidarity (1) d) Micro-sociological approach (1) e) Macro-sociological approach (1) 1.4 The assimilation and the transmission of culture and traditions is one of the functions of the sociology of education. How could this aim be achieved in the classroom? (6) 1.5 What are the criticisms of functionalism theory? (5) [20]

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Texts: 1. Based on the biological hypothesis below, state a potential statistical null hypothesis that might be tested: "Increasing mangrove cover is likely to lead to reduced soil erosion in a coastal habitat." (Pennings et al., 2021, Ecology, e03309) 2. For the statistical null hypothesis below, select the most appropriate corresponding alternative hypothesis from the options provided: Statistical null hypothesis: "Successful reproduction is the same in high light and low light environments." 3. Based on the null and alternative hypotheses below, would a one-tailed or two-tailed test be most appropriate? Null hypothesis: The difference between the responses of treatment and control groups is greater than or equal to zero. Alternative hypothesis: The difference between the responses of treatment and control groups is less than zero. 4. Which of the following are associated with Type I error? Select all that apply. a) Represents the probability of rejecting the null hypothesis when it is false in reality. b) Represents the probability of rejecting the null hypothesis when it is true in reality. c) Is calculated from the null distribution. d) Is the same as the significance level. e) Is calculated from sample data.

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PROBLEM No 3: A device is powered by a 50 V supply with 0.1 A of current. If the output power of the device is 3 W, how much power is wasted in heat? (2 points) PROBLEM No 4: What is the force on an electron in an electric field of 5000 N/C? (2 points) PROBLEM No 5: Calculate the conductivity of an intrinsic (pure Ge) semiconductor sample at 300K. Assume that the free electron concentration is 2.46 x 10^13 cm^3 and the electron mobility is 3900 cm^2/V.s (2 points) PROBLEM No 6: (a) What would be the resistance (R) of a 0.5 cm x 0.5 cm x 0.5 cm silicon (Si) sample at 300K if the electron mobility is 1100 cm^2/Vs and the free electron concentration is 1.3 x 10^10 cm^-3? (3 points) (b) Calculate the current through the resistor if a bias of 5 volts is applied across the length of the device. (1 point)

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Let X, Y have joint p.d.f. $f_{XY}(x, y) = 4xe^{-(x^2+2y)} \cdot I(x > 0) \cdot I(y > 0)$. 1. Find the marginal p.d.f.s $f_X(x)$ and $f_Y(y)$, and the conditional p.d.f.s $f_{Y|X=x}(y) = \frac{f_{XY}(x,y)}{f_X(x)}$ with $x > 0$, and $f_{X|Y=y}(x) = \frac{f_{XY}(x,y)}{f_Y(y)}$ with $y > 0$. Are X and Y independent? [10 points] 2. Use your results in part 1 to compute Cov(X, Y). [10 points]

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i am sick with this question can anyone help me? 1. (Adopted from previous exam question) A collimated blue laser beam (f = 667 THz, modelled by a plane wave) 15.9 kW/m2. The wave has a phase of 0 at time t = 0 at the origin. (a) What is the wavelength, wavenumber, and wave vector of the plane wave (inside glass)? (b) What is the E-field strength (Eo) and polarization of this plane wave? This wave now encounters a glass-air boundary at x = 0. (Glass at x < 0, air at x > 0.) (c) What are the reflection and the transmission coefficients? (d) Write the total electric field, in time-domain, inside the glass medium (please leave {Eo, w, ka} as variables) (e) Write the magnetic field phasor inside the air medium (please substitute in and evaluate the numerical values as much as possible). (f) If instead, the glass-air boundary is at y = 0, what angle will the transmitted beam make with the surface normal?

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write your initial post on substance dualism, briefly explain your understanding of Princess Elisabeth’s response when evaluating substance dualism. (More info on substance dualism is in this Unit’s W. Russ Payne reading. More info on Princess Elisabeth’s response is in this Unit’s Jeff Speaks reading.) Finally, introduce a conversation starter: a question about your topic, or evidence supporting one side of the topic. For instance, what questions do you have about the theory and refutation that would help you better understand them? Or what evidence do you have to support the side you are on? Or what evidence can you think of that supports the other side?

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Write a console program (character-based) to perform simple calculations (addition, subtraction, multiplication, and division) of two numbers using your understanding of control flow, input validations, and error conditions in C. Description: You need to write a program that, when run, will display a menu. The menu gives five choices of operations: addition, subtraction, multiplication, division, and an option to exit the program. It then prompts the user to make a choice of calculation they want to perform. Once the user selects the operation, it will check for valid menu choices (and give an appropriate message if a wrong choice was selected) and then prompt to enter two numbers separated by a space. If the user entered valid numbers, it will perform the desired operation and display the result. If the user input is not valid, it will display an error message and ask for the correct input. At the end of the result, it gives a prompt "Press enter key to continue....". Once the enter key is pressed, it displays the menu again. The program repeats until the user selects the choice to exit.

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A function can have ___ return statement(s). A. up to three B. only one C. any number of D. up to four E. up to two F. None of the other choices

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In the figure, PQ = QR = RS. Find each length. 17. ZU 18. XZ 19. TU 20. XV 21. YX 22. YV 23. WX 24. WV

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Q6: Fig.1 below shows impulse responses for several different FIR filters. Find the group delay associated with each system. h[n] h[n] h[n] 3 3 2 2 1 0 n 0 n 0 n (a) (b) (c) 0 h[n] h[n] 1 1 (d) n 0 n -1 (e) Fig. 1: computing the group delay of FIR filters

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michele s.