
Answers to the following questions should be calculated in Matlab and given to 4 decimal places....
Answers to the following questions should be calculated in Matlab and given to 4 decimal places. Be careful not to introduce errors by rounding in any intermediate calculations as this may lead to an incorrect final answer Suppose the discrete random variable X has the following probability distribution 1-1 PI - 0.2 P2 -0.15 P3 -0.1 P-0.2 4 - 10 Es - 12 -0.35 Calculate the following (a) E[X] - (b) var(X)
Answers to the following questions should be calculated in Matlab and given to 4 decimal places. Be careful not to introduce errors by rounding in any intermediate calculations as this may lead to an incorrect final answer. A confidence interval is desired for the true average load loss u (watts) for a certain type of induction motor when the line current is held at 10 amps for a speed of 1500 rpm. A random sample of 49 motors were tested...
Answers to the following questions should be calculated in Matiab and given to 4 decimal places. Be caretul not to introduce errors by rounding in any intermediate calculations as this may lead to an incorrect final answer ertain state. 300 urban residents were surveyed and and t was found that 57 were in tavour of Increasing the speed limit from 100 km/h to 110 h A survey of 180 rural residents rom the same state was also conducted and it...
(d) Pre-emptive priority scheduling [4 marks]: Consider the following set of processes, with the length of the CPU-burst time given in milliseconds: Process Burst Priority Arrival Time P1 8 3 0 P2 3 4 1 P3 6 2 3 P4 3 1 5 P5 1 5 7 P6 3 8 14 P7 8 5 18 (d-1) Draw Gantt chart illustrating the execution of these processes using pre-emptive priority (a smaller priority number implies a higher priority) [2 marks] 00 01 ...
Answer all questions in this Section. 1. Read the following and answer questions that follow. The following information was taken from Masego Leero’s books. 01/01/2015 Started business with P20, 000 cash 03/01/2015 Deposited P15, 000 cash into the bank account 05/01/2015 Bought furniture on credit P3, 000 from Supreme 07/01/2015 Bought goods P7, 000 paying by cheque. 09/01/2015 Sold goods P6, 000 by cash 11/01/2015 Sold goods on credit to Lesego R P1, 000, Lorato L P2, 000 and...
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MATH 220 Review Questions for Final Özlem Orhan 4. Discrete random variables X and Y have the following joint probal bution f(x,y) | x-0 | x 1 y-0 0.1 0 y=1 | 0.1 | 0.1 y=2 | 0.1 | 0.2 y-310 10.4 (a) Compute the correlation coefficient pry (b) Compute the...
4. Using Matlab: 4.1. Plot | H(n the following cases: (the frequency range: 0-20 KHz) a. a 0.2 0.5 ms. b. α-0.8 C.α-0.2 c-0.1 ms. c 0.5 ms. 4.2. Consider a signal whose Fourier Transform is given by: 50000ω Plot the transfer function l x(o) l and the output l Y(o) l in each of the above cases (stated in part 4.1) 4.3. Find the Inverse Fourier Transorms of| X(oand Y(o) , and generate the audio signals x and y...
Probability
5. The discrete random variable Z has the following probability distribution 2 0.2 4 P(Z) 0.1 0.25 0.05 0.3 Which of the following is FALSE? A) P(Z < 2) 0.55 B) P(Z 2 4)- 0.45 C) P(Z 4)=0.9 D) P(Z3)-0.05 6. A random sample of 100 first-year students was selected to determine the average GPA they achieved at a university. A 95% confidence interval for the average GPA of the first-year students was 5.2 < H < 6.8 based...
Question 1 of 4 For the following observed and expected frequencies: Observed 39 43 42 109 Expected 38 48 45 S 6 Download data Test the hypothesis that the distribution of the observed frequencies is as given by the expected frequencies. Use thea -0.025 level of significance and theP-value method with the TI-84 calculator Part 1 State the null and alternate hypotheses. Ho: The distribution of the observed frequencies ts H1: The distribution of the observed frequencies differs from that...
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Use the attached Matlab code as a basis to solve the following ordinary differential equation using Euler's method, with timestep of 0.1, from t-0to t-100. d)0) -0 - sin (5vt cos(у Plot y versus t from t=0 to t=100. How many local maxima are on this interval(do not include end points). Be careful to count them all! Answer should be an integer 1 w% Matlab code for the solution of Module 2 3 dt-9.1; %dt is...