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- Which qualities are preferred for an estimator? (Select all that apply.) Not centered around the unknown parameter Variability is small Centered around the unknown parameter Variability is largeCorrect answer will be upvoted else Multiple Downvoted. Computer science. The j-th companion can be set before the I-th companion on the photograph if his square shape is lower and smaller than the square shape of the I-th companion. Officially, somewhere around one of the accompanying conditions should be satisfied: hj<hi and wj<wi (the two companions are standing or both are lying); wj<hi and hj<wi (one of the companions is standing and the other is lying). For instance, on the off chance that n=3, h=[3,5,3] and w=[4,4,3]: the main companion can be set before the second: w1<h2 and h1<w2 (one of the them is standing and the other one is lying); the third companion can be put before the second: h3<h2 and w3<w2 (the two companions are standing or both are lying). In different cases, the individual in the closer view will cover the individual behind the scenes. Help Polycarp for every I find any j, with the end goal that the j-th…Consider a blood test for some virus. 200 persoons received the test and here is the result: 120 persons who are healthy tested negative. 5 persons who are healthy tested positive. 25 persons who have the virus tested negative. 50 persons who have the virus tested positive. Answer the following questions. If it is applicable, please write a complete writing of hypothesis statement, Rcode, output and your findings. What is the false positive rate of this test? What is the false negative rate of this test?
- Can you prepare the project given below in matlab? (I would appreciate if you explain every step of the written code.) CE 412 - PROJECT 2 "Monte Carlo Simulation - Integration" Monte Carlo integration is a powerful method for computing the value of complex integrals using probabilistic techniques. In this project we are going to calculate the area under the Weibull distribution which is given by f(x) = x βα -x-1e-(x/B) for x ≥ 0. In this project, write a program by using both the hit-or-miss method and the sample-mean method to calculate the following integral by using n random points. [ fox b. f(x)dx = [ α e-(x/f) dx -xα-1e- βα Your program should ask the following parameters as the input: the method type, hit-or-miss method or sample mean method n, the number of random points a, the shape parameter of the distribution B, the scale parameter of the distribution a, the lower limit for the integral ⚫b, the uppper limit for the integral Project 2 Submission:…Manually train a hypothesis function h(x) = g(ỗ¹x) based on the following training instances using stochastic gradient ascent rule. The initial values of parameters are 0o = 0.1,0₁ = 0.1, 0₂ = 0.1. The learning rate a is 0.1. Please update each parameter at least five times. X1 0 0 1 1 X2 0 1 0 1 y 1 1 0 0During the 17th century, gambler de Méré asked Blaise Pascal an explanation for his game losses. His question was solved by Pascal and Fermat, and yielded the foundations of the theory of probability. Gamblers used to bet on the event of getting at least one ace in four rolls of a dice. As a game variation, De Méré proposed to use two die and roll them 24 times with a bet on having at least one double ace. De Méré thought the games were equivalent but he lost consistently. Explain why? Write a simulation program to empirically determine which one dice/two die game is more likely to win.
- Considering the problem of performing rapid COVID test among a large group of people. Assuming there are exactly 1 positive case among N people, and you are asked to find the positive case with the least number tests. 1. A straight forward approach is to test every single person, which requires N tests in total. Can you design a testing framework that works better than the greedy one under, even under the worst-case scenario? Write the pseudo code for your approach and briefly explain the time complexity of your approach. 2. Based on your framework, if there are 1,000 people, what are the maximum number of tests that need to be performed in order to identify the positive case (number of tests required in the worst case)?For (∃ x)(P(x,b)) Would an example of this being true if the domain was all the Avengers and x was green skin, then "b" being the Hulk would make this true. Am example of this being false would be: If the domain was all integers and x was positive, even integers and "b" was integers greater than zero.Problem 1. You are playing a version of the roulette game, where the pockets are from 0 to 10and even numbers are red and odd numbers are black (0 is green). You spin 3 times and add up the values you see. What is the probability th at you get a total of 17 given on the first spin you spin a 2? What about a 3? Solve by simulation and analytically.
- plz run in r studio n answer all the questions biostats........ Worksheet T tests, Wilcoxon’s test, Mc Nemar’s TestAnswer the following questions using R studio 4. Test the Null hypothesis that the Dart scores from Group A is notdifferent from Group B and or Group A scores are greater than orless than Group B.Group A: 1,2,2,3,3,4,4,5,5,6Group B: 1,2,4,5,5,5,6,6,7,95. The pre and post tests scores for a randomly selected group ofstudents before and after exposure to new teaching methods areas follows:Pretest: 10,5,8,6,4,5,5,8,7,6,10,5, 8,6,4,5,5,8,7,6Posttest: 10,6,8,8,5,4,5,9,10,7, 8,5,4,5,9,10,7,10,6,8Is there a significant difference in performance before compared toafter exposure to a different teaching method?6. Results for blood glucose levels independently taken for thesame individuals before and after treatment with sucrose solutionto determine impacts of carbohydrates on blood sugar levels areoutlined below:before : 200.1, 190.9, 192.7, 213, 241.4, 196.9, 172.2, 185.5,…2. Can you design a binary classification experiment with 100 total population (TP+TN+FP+ FN), with precision (TP/(TP+FP)) of 1/2, with sensitivity (TP/(TP+FN)) of 2/3, and specificity (TN/(FP+TN)) of 3/5? (Please consider the population to consist of 100 individuals.)please try to simulate the probability of rolling a Die with Sample Space* S={1,2,3,4,5,6} and the probability of each sample point has a 1/6 chance of occurring, i.e., you need to verify that your simulation converges to 1/6 when you select one point of sample space. When X is a random variable for sample point of rolling a Die, Pr(X<=4)=2/3. Please verify this result by simulation. Please let me know how to make an Excel file as stated above.