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  NPTEL Introduction to Machine Learning Assignment Answers Week 4 Q1. A man is known to speak the truth 2 out of 3 times. He throws a die and reports that the number obtained is 4. Find the probability that the number obtained is actually 4: a. 2/3 b. 3/4 c. 5/22 d. 2/7 Answer:  d. 2/7 Q2. Consider the following graphical model, mark which of the following pair of random variables are independent given no evidence? A. a,b B. c,d C. e,d D. c,e Answer : A. a,b Q3. Two cards are drawn at random from a deck of 52 cards without replacement. What is the probability of drawing a 2 and an Ace in that order? a. 4/51 b. 1/13 c. 4/256 d. 4/663 Answer:  d. 4/663 Q4.   Consider the following Bayesian network. The random variables given in the model are modeled as discrete variables (Rain = R, Sprinkler = S and Wet Grass = W) and the corresponding probability values are given below. P(R) = 0.1 P(S) = 0.2 P(WR, S) = 0.8 P(WIR,S)= 0.7 P(WR, S) = 0.6 P(WR,S) = 0.5 Calculate P(S| W, ...

  NPTEL Cloud Computing Assignment 4 Answers Q1. In Google Cloud Platform (GCP), Cloud Datastore provides flexible object storage with globaledge caching. a. TRUE b. FALSE Answer:  b. FALSE Q2. A. Cinder, OpenStack 1. MySQL or NoSQL databases. B. GoogleAPIs 2. Google’s fully managed, petabyte scale, low cost analytics data warehouse to find meaningful insights. C. Cloud SQL 3. Integrate Google’s services into the application. 4. Manages block storage in OpenStack. Choose the correct option: a. A-4, B-3, C-1 b. A-1, B-3, C-2 c. A-2, B-4, C-1 d. A-3, B-1, C-2 Answer : a. A-4, B-3, C-1 Q3. Statement 1: Azure supports public cloud platform. Statement 2: Azure App Service plan defines security. a. Statement 1 is True and Statement 2 is False b. Statement 1 is False and Statement 2 is True c. Both are True d. Both are False Answer:  a. Statement 1 is True and Statement 2 is False Q4.   Which of the following components of OpenStack is responsible for providing persistent b...

  Python for Data Science NPTEL Assignment Solutions Week 4 Q1. The power consumption of an individual house in a residential complex has been recorded for the previous year. This data is analysed to predict the power consumption for the next year. Under which type of machine learning problem does this fall under? a. Classification b. Regression c. Reinforcement Learning d. None of the above Answer : b. Regression Q2. A dataset contains data collected by the Tamil Nadu Pollution Control Board on environmental conditions (154 variables) from one of their monitoring stations. This data is further analyzed to understand the most significant factors that affect the Air Quality Index. The predictive algorithm that can be used in this situation is ___________. a. Logistic Regression b. Simple Linear Regression c. Multiple Linear Regression d. None of the above Answer : c. Multiple Linear Regression Q3. A regression model with the following function y = 60 + 5.2x was built to understand t...

  NPTEL Programming In Java Week 4 Assignment Answers Q1. Which of these is a mechanism for naming and visibility control of a class and its content? a. Objects b. Interfaces c. Packages d. Both a and b Answer : c. Packages Q2. Which of the following is false statement about packages in java? a. Packages are used to organize a set of related classes and interfaces. b. Packages are used for preventing naming conflicts. c. Packages provide code reusabilty. d. Packages cannot be considered as data encapsulation. Answer : d. Packages cannot be considered as data encapsulation Q3. Which of the following is/are interface(s) of java.awt package? a. CardLayout b. Checkbox c. Choice d. MenuContainer Answer:  d. MenuContainer Q4. Which of the following statement(s) is/are false? a. The default package in the Java language is java.lang. b. String is a final class and it is present in java.lang package. c. Cloneable is a class present in java.lang package. d. Thread is a class present in ...

  Week 4 : Assignment 4 Due date: 2022-08-24, 23:59 IST. Assignment not submitted 1 point Which of the following best describes a test driver?   It is a special purpose implementation of a software module, used to develop or test a component that calls it.   It is a software component that replaces another component that takes care of the control and/or the calling of a software component. 1 point If method A uses a variable v shared with method B, where A writes to v and B reads from v, then, it is an example of which kind of coupling interface listed below?   Parameter coupling.   Interface coupling.   External coupling.   Shared data coupling. 1 point To test sequencing constraints that occur as requirements specification, which of the following tests are used?   Tests are inputs to sequencing constraints that violate the constraints.   Tests are inputs to sequencing constraints that satisfy the constraints.   Tests are sequences of m...