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What is regression? What are independent and dependent variables? In the attached file for regression, identify Independent and dependent variables. Also find regression equation by

  1. What is regression? What are independent and dependent variables? In the attached file for regression, identify Independent and dependent variables. Also find regression equation by drawing the charts for i) Hours spend studying and Exam Score ii) IQ Score and school rating iii) Exam score and Hour spend sleeping.
  2. A problem is given to three students whose chances of solving it are 1/2, 1/3 and 1/4 respectively. What is the probability that the problem will be solved?
  3. A bag contains 4 white, 5 red and 6 blue balls. Three balls are drawn at random from the bag. The probability that all of them are blue is?
  4. Two dice are tossed. The probability that the total score is a prime number.
  5. In a box, there are 8 red, 7 blue and 6 green balls. One ball is picked up randomly. What is the probability that it is neither red nor green?

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