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MCQs

Total Questions : 64 | Page 6 of 7 pages
Question 51. In measuring the probability of any certain event, the zero represents
  1.    impossible events
  2.    possible events
  3.    certain event
  4.    sample event
 Discuss Question
Answer: Option A. -> impossible events
Answer: (a).impossible events
Question 52. The variation in which outcomes of experiments are effected by uncontrolled factors is considered as
  1.    random variation
  2.    mesokurtic variation
  3.    platykurtic variation
  4.    mesokurtic variation
 Discuss Question
Answer: Option A. -> random variation
Answer: (a).random variation
Question 53. The number of individuals arriving at boarding counter on an airport is an example of
  1.    numerical outcome
  2.    non numerical outcome
  3.    random outcome
  4.    simple outcome
 Discuss Question
Answer: Option A. -> numerical outcome
Answer: (a).numerical outcome
Question 54. If two events X and Y are considered as partially overlapping events then the rule of addition can be written as
  1.    P(X or Y) = P(X) - P(Y) + P(X and Y)
  2.    P(X or Y) = P(X) + P(Y) * P(X - Y)
  3.    P(X or Y) = P(X) * P(Y) + P(X - Y)
  4.    P(X or Y) = P(X) + P(Y) - P(X and Y)
 Discuss Question
Answer: Option D. -> P(X or Y) = P(X) + P(Y) - P(X and Y)
Answer: (d).P(X or Y) = P(X) + P(Y) - P(X and Y)
Question 55. The probability without any conditions of occurrence of an event is considered as
  1.    conditional probability
  2.    marginal probability
  3.    non conditional probability
  4.    occurrence probability
 Discuss Question
Answer: Option B. -> marginal probability
Answer: (b).marginal probability
Question 56. Consider an event B, the non-occurrence of event B is represented by
  1.    union of A
  2.    complement of A
  3.    intersection of A
  4.    A is equal to zero
 Discuss Question
Answer: Option B. -> complement of A
Answer: (b).complement of A
Question 57. In a Venn diagram used to represent probabilities, the sample space of events is represented by
  1.    square
  2.    triangle
  3.    circle
  4.    rectangle
 Discuss Question
Answer: Option D. -> rectangle
Answer: (d).rectangle
Question 58. The joint probability of two statistical dependent events Y and Z can be written as P(Y and Z) =
  1.    P(Z + Y) * P(Y|Z)
  2.    P(Y) * P(Z|Y)
  3.    P(Y) * P(Z|Y) + P(Z)
  4.    P(Y) * P(Z|Y) - P(Z + Y)
 Discuss Question
Answer: Option B. -> P(Y) * P(Z|Y)
Answer: (b).P(Y) * P(Z|Y)
Question 59. The marginal probability of independent events and dependent events must be
  1.    same
  2.    different
  3.    one
  4.    two
 Discuss Question
Answer: Option A. -> same
Answer: (a).same
Question 60. The occurrence of two events in a way that events have some connection in between is classified as
  1.    compound events
  2.    mutual events
  3.    connected events
  4.    interlinked events
 Discuss Question
Answer: Option A. -> compound events
Answer: (a).compound events

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