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7th Chapter

ICS Part 1 Statistics Chapter 7 MCQs Test

First Year Statistics Chapter 7 Online MCQ Test for 1st Year Statistics Chapter 7 (Random Variables)

This online test contains MCQs about following topics:

Introduction to random variables . Random numbers and their generation . Application of random number . Concept of random variable and their construction from different fields . Discreate and continuous random variables

ICS Part 1 Statistics Chapter 7 Test

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ICS Part 1 Statistics Chapter Wise Test

First Year Statistics Chapter 7 Online MCQ Test for 1st Year Statistics Chapter 7 (Random Variables)

Sr. # Questions Answers Choice
1 If x and y are independent random variables, then E(xy)
  • A. E(xy)
  • B. xE(y)
  • C. E(x)
  • D. E(x)E(y)
2 When two dice are rolled, the maximum totla on the two faces of dice will be.
  • A. 2
  • B. 6
  • C. 12
  • D. 36
3 For a constant k, the variance of k is
  • A. zero
  • B. k<sup>2</sup>
  • C. k
  • D. none of these
4 Waht is the probability that a ball drawn at random from the bag is.
  • A. 0.1
  • B. 0.4
  • C. 1.0
  • D. Cannot be determined from given information
5 The probability of getting one red ball from a bag constaining 4 red, 3 white and 3 black balls is.
  • A. 3/10
  • B. 1/5
  • C. 2/5
  • D. 1/2
6 The probability of getting an odd number when a balanced die is rolled is.
  • A. 1/2
  • B. 1/3
  • C. 1/4
  • D. 1/6
7 For a constant K ,the variance of K.
  • A. Zero
  • B. A<sup>-2</sup>
  • C. K
  • D. None of these
8 Is the tossing of two perfect coins the probability at least one head occur is.
  • A. 1/4
  • B. 1
  • C. 1/2
  • D. 3/4
9 A lettter is chosen at random from the word STATITICS , The probability of getting a vowel is.
  • A. 1/5
  • B. 3/10
  • C. 1/2
  • D. 2/5
10 The sum of probabilities of events of a sample space is always.
  • A. Equal
  • B. Discrete
  • C. Continuous
  • D. Always greater then oen

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