Exercise: Variable Elimination smart) = 0.8 p(study) = 0.6 smart study p(fair) = 0.9 prepared fair P(prep...) smart -smart study 0.9 0.7 pass ¬study 0.5 0.1 smart smart ..) prep |-preр Query: What is the probability that a student is smart, given that they pass the exam? prep -prep 0.9 0.7 0.7 0.2 0.1 0.1 0.1 0.1
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Course: Artificial Intelligence
Material: Probabilistic Reasoning (Bayesian Believe in Networks)
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- During the get-together for Gerdau developers, 17 employees sat around a large round table. Each of the collaborators received a paper that said if he should say only the truth or only a lie. During the dynamic performed, each one should say which colleagues were lying and which were telling the truth. At the end of the game, all employees who were participating said: "The two people next to me are liars". At a minimum, how many employees received the paper saying to tell only the truth?If the data analyst hypothesizes that grocery sales are higher when payment is made using credit cards compared to cash payment, the null hypothesis would likely state that grocery sales are lower when payment is made using credit cards compared to cash payment. T/FA production process produces and packages soap in boxes weighing 140 grams. Owing to inspection carried out by several large municipalities, the penalty for placing, on the average, less than 140 grams in a box can be severe. Likewise it would also be wasteful for the company if they place, on the average, more than 140 grams in a box. Hence, the machine was adjusted to put 140 grams of soap in a box. After a year, the company wants to check if there is a need to readjust the machine. The company wishes to perform a test of hypothesis at 0.01 level of significance using the following data collected from a random sample: (photo attached). • State Ho and Ha.• Write the formula of the test statistic to be used.• State the decision rule at 0.01 level of significance.• Compute for the value of the test statistic.• Is there sufficient evidence at 0.01 level of significance for the company to conclude that mean weight of soap packaged in a box is not anymore 140 grams so that there is a need…
- An online seller would like to know whether the indication of price on Facebook posts will attract consumers more. He posted 50 products for sale on Facebook market, 25 of which he indicated the price while the remaining 25 products, did not have prices. Buyers were just instructed to send him a personal message (pm) if they want to know the price. He then identified which products have greater sales. Identify the independent, dependent and extraneous variableA testing service makes an error that causes all the SAT scores for several thousand students to be low by 58 points. Which statement is true? Group of answer choices A) All the scores had the same relative error, but the absolute errors varied. The percentage was the same, but the difference between the measurement and the true value varied. B) All the scores had the same relative error, but the absolute errors varied. If all of the scores have the same relative error, then they will be the same amount of points less than the actual score. C) All the scores had the same absolute error, but the relative errors varied. The relative error for any given score will be that score divided by 58. D) Both the absolute and relative errors were the same in all cases because the same error is made for each score.A testing service makes an error that causes all the SAT scores for several thousand students to be low by 58 points. Which statement is true? Group of answer choices A) All the scores had the same relative error, but the absolute errors varied. The percentage was the same, but the difference between the measurement and the true value varied. B) All the scores had the same relative error, but the absolute errors varied. If all of the scores have the same relative error, then they will be the same amount of points less than the actual score. C) All the scores had the same absolute error, but the relative errors varied. The relative error for any given score will be that score divided by 58. D) All the scores had the same absolute error, but the relative errors varied. If all of the scores have the same absolute error, then they will be that many points off from the true value of the exam score. E) Both the absolute and relative errors were the same in all cases because…
- A couple has two girls and is expecting for their child. They hope for a baby boy. What is theprobability that they could realize their hope?Explain the term “Monte Carlo Simulation” and explain 3 points on how it is helpful in decision making.A corporation is selecting where to develop a restaurant with a capital of Php 2,000,000. They can put it in the center of a business district to raise prices, but it will have to compete with other restaurants in the area. They could even establish it in front of a school, where they would have to charge less sincethey would be competing with fewer restaurants.The company analyzed the considerations and data shows that building a restaurant in a commercial district has an 80% chance of earning Php 1 million and a 20% chance of losing the entire capital, whereas building a restaurant in front of a school has a 95% chance of earning Php 500 thousand and a 5% chance of losing the entire capital. Where should the corporation establish the restaurant based on the predicted profit?