probability Mcqs
51. The probability of drawing a diamond card out of 52 cards is ______________?
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A. 2-Jan

B. 0

C. Apr-52

D. 13/52
52. The joint probability is _______________?
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A. The likelihood of two events happening given that another event has already ha

B. Also called Prior probability

C. Based on two mutually exclusive events

D. The likelihood of two events happening together
53. If A and B are mutually exclusive then?
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A. P(AeitherB)=0

B. P(AnorB)=0

C. P(AorB) =0

D. P(AandB)=0
54. The probability of drawing an even number in a toss of a balanced die ______________?
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A. 6-Feb

B. 6-Jan

C. 6-Jun

D. 3/6
55. All experiments have _______ properties in common?
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A. Three

B. Two

C. One

D. Four

56. A box containing 12 balls of color 6 red and 6 white. A ball of white selected ball finds the probability of white____________?
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A. 12-Dec

B. 12-Jul

C. 12-Apr

D. 6/12
57. An events that contains the finite number point the sample space is called __________________?
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A. values

B. Continuous

C. Finite

D. Random
58. A coin is so weighted that P (T) = 2P(H) then P(H) is _______________?
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A. 2-Jan

B. 1/3

C. 1

D. 3-Feb

59. Addition Law of probability for mutually exclusive event is equal _______________?
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A. P(AUB) = P(A) + P(B) P(A?B)

B. P(A?B) = P(A). P(B

C. P(A?B) = P(A) + P(B) + P(A?B)

D. P(AUB)=P(A) + (B)
60. __________ are said to be exhaustive if they constitute the entire sample space?
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A. Equally

B. Objects

C. Events

D. Outcomes

61. A?B means:_______________?
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A. The elements A but not of B

B. The elements of A and B

C. None of these

D. The elements of A or B
62. If a card is chosen from a standard deck of cards, what is the probability of getting a five or a seven ?
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A. 26-Jan

B. 8/52

C. 1/169

D. Apr-52

63. The probability of a save event is equal to _________________?
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A. One

B. Two

C. Three

D. Four

64. If in a coin P(H) = 2P(T) then prob. of head is ______________?
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A. 3-Jan

B. 2-Jan

C. 2/3

D. 0

65. when a three die rolled the sample space consists of _____________?
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A. 6 outcomes

B. 216 outcomes

C. Non of these

D. 24 outcomes

66. The possibility of total outcome in a coin equal to _______________?
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A. Fifty %

B. 60%

C. 30%

D. Twenty %

67. 5C5 is equal to ________________?
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A. 5

B. 1

C. 55

D. None of these

68. If P(A?B) =1/4 then P(AUB) is ________________?
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A. 2-Jan

B. 1/3

C. 12-Jan

D. 8-Mar

69. Two event are said to be equally likely is ______________?
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A. As any other

B. both event occurs

C. One occurs

D. not both occurs

70. If two events can both occur at the same time then they are referred as:__________________?
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A. Mutually Exclusive events

B. Dependent events

C. Exclusive events

D. Independent events

71. if you roll a pair of dice, what is the probability that (at least) one of the dice is a 4 or the sum of the dice is 7 ?
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A. 13/36

B. 21/36

C. 15/36

D. Apr-36

72. A experiment repeated number of time one by one is called _________________?
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A. Random

B. Specified

C. Raw data

D. Introduce

73. The probability of getting at least one head when two balance coins are tossed once __________________?
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A. 4-Apr

B. 4-Feb

C. 3/4

D. 4-Jan

74. In special rule of addition of probability, the events are Always:_______________?
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A. Bayesian

B. Empirical

C. Mutually Exclusive events

D. Independent events

75. The product of first n natural numbers is _____________?
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A. None of these

B. n. (n-1) (n-2)..3.2.1.0

C. 1.2.3(n-2) (n-1) (n)

D. 1.2.3.4,

76. The probability of drawing same number on two dice if two dice are thrown _________________?
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A. Jan-36

B. Dec-36

C. Jun-36

D. 18/36

77. Events occurring together without affecting each other are called:_________________?
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A. Independent events

B. Equally likely events

C. Mutually Exclusive events

D. Dependent events

78. If A denotes the males of a town and B denotes the females of that town, then A and B are:___________?
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A. None of these

B. Non- overlapping sets

C. Over lapping sets

D. Equal sets

79. If the events have same chance of occurrence they are called:_______________?
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A. Equally likely events

B. Mutually Exhaustive events

C. dependent events

D. Exhaustive events

80. The collection of one or more outcomes from an experiment is called:__________________?
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A. Random Experiment

B. Z-Value

C. Event

D. Probability

E. Random Variable

81. A listing of the possible outcomes of an experiment and their corresponding probability is called:______________?
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A. Contingency table

B. Probability distribution

C. Bayesian table

D. Random Variable

E. Frequency distribution

82. The probability of an event cannot be _____________?
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A. None of these

B. Positive

C. Negative

D. Zero

83. The probability of getting exactly two heads when two balanced coins are toss once_________________?
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A. 4-Feb

B. 4-Apr

C. 4-Mar

D. 1/4
84. A subset of the sample space is called _________________?
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A. Event

B. Space

C. Sample point

D. Set

85. Two mutually exclusive events are __________?
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A. Dependent

B. Independent

C. Overlapped

D. None of These

86. In a Poisson probability distribution __________________?
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A. The probability of success is always greater than 5

B. The number of trials is always less than 5

C. it always contains a contingency table

D. The mean and variance of the distribution are same (equal)