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...
The discrete random variables ? and ? have joint probability function ?, where ? is given by the following table: X 1 2 3 4 1 0.1 0.2 0.1 0.05 Y 2 0.05 0 0.1 0.1 3 0 0.2 0.05 0.05 a) Determine ?(1 < ? ≤ 3, 1 ≤ ? ≤ 2). [4 marks] b) Calculate ?(?^2 ?). [4 marks] c) Find the marginal probability functions ? and ℎ of ? and ? respectively. [4 marks] d) Are ?...
There are 5 black, 3 white, and 4 yellow balls in a box (see picture below). Four balls are randomly selected with replacement. Let M be the number of black balls selected. Find P[M =2]. A) Less than 10% B) Between 10% and 30% C) Between 30% and 43% D) Between 43% and 60% E) Bigger than 60%. Use the following information to answer Q19 and Q20: You must decide which of two discrete distributions a random variable X has....
Compute the value of the test statistic. Round your answer to two decimal places. Please do not explain the formula as I already know it. What's an easier way to input it onto the calculator?? PLEASE. and thanks! You were asked to compute the value of the test statistic, given the following information. Tables ni = 228 P1 = 0.74 n2438 P2 = 0.86 Since we have two independent random samples where the sample sizes are large enough ensure npǐM...
(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 ...
2.1 Let X be a discrete random variable with the following probability distribution Xi 0 2 4 6 7 P(X = xi) 0.15 0.2 0.1 0.25 0.3 a) find P(X = 2 given that X < 5) b) if Y = (2 - X)2 , i. Construct the probability distribution of Y. ii. Find the expected value of Y iii. Find the variance of Y
please, could you give me answers? Thank you very much. Sorry that I sent a long question. I need to answer for all 1 a-d and 2 a-thanks again 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...
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...