MCQs on probability and statistics for test preparation of statistical related jobs and subjects specialist tests.
MCQs On Probability And Statistics
A∩B means _____?
A. The elements of A or B
B. The elements of A and B
C. The elements A but not of B
D. None of these
If ‘A’ denotes the males of a town and ‘B’ denotes the females of that town, then A and B are _____?
A. Equal sets
B. Over lapping sets
C. Non- overlapping sets
D. None of these
If a card is chosen from a standard deck of cards, what is the probability of getting a diamond (♦) or a club (♣)?
A. 26/52=1/2
B. 13/52
C. 20/52
D. 12/52
A listing of the possible outcomes of an experiment and their corresponding probability is called _______?
A. Random Variable
B. Contingency table
C. Bayesian table
D. Probability distribution
E. Frequency distribution
In which approach to probability the outcomes are equally likely to occur ?
A. Classical Probability
B. Subjective Probability
C. Relative Frequency
D. Independent
If a card is chosen from a standard deck of cards, what is the probability of getting a five or a seven ?
A. 4/52
B. 1/26
C. 8/52
D. 1/169
The joint probability is ______?
A. The likelihood of two events happening together
B. The likelihood of two events happening
C. Based on two mutually exclusive events
D. Also called Prior probability
In special rule of addition of probability, the events are Always _______?
A. Independent events
B. Mutually Exclusive events
C. Bayesian
D. Empirical
The collection of one or more outcomes from an experiment is called ________?
A. Probability
B. Event
C. Random Variable
D. Z-Value
E. Random Experiment
Which of the following is not an example of a discrete probability distribution ?
A. The sale or purchase price of a house
B. The number of bedrooms in a house
C. Whether or no t a home has a swimming pool in it
D. Non of these
A subset of the sample space is called ______?
A. Sample point
B. Set
C. Event
D. Space
Two event are said to be equally likely is _____?
A. As any other
B. both event occurs
C. One occurs
D. not both occurs
A set of events is said to be independent if probability of head on tossing a coin is ______?
A. 1/2
B. 2/3
C. 1
D. 3/4
If the occurrence of excludes the occurrence of the other is called ____?
A. Mutually exclusive
B. Exhaustive
C. Likely
D. Probability
Addition Law of probability for mutually exclusive event is equal _____?
A. P(AUB)=P(A) + (B)
B. P(AUB) = P(A) + P(B) – P(A∩B)
C. P(A∩B) = P(A) + P(B) + P(A∩B)
D. P(A∩B) = P(A). P(B
If the events have same chance of occurrence they are called _____?
A. Equally likely events
B. Exhaustive events
C. Mutually Exhaustive events
D. dependent events
The possibility of total outcome in a coin equal to _______?
A. Fifty %
B. Twenty %
C. 60%
D. 30%
Events occurring together without affecting each other are called ______?
A. Dependent events
B. Independent events
C. Equally likely events
D. Mutually Exclusive events
__________ are said to be exhaustive if they constitute the entire sample space?
A. Equally
B. Events
C. Outcomes
D. Objects
The picture cards having in total fifty two cards is equal ______?
A. 16
B. 24
C. 12
D. Non of these
If an event consists of only one sample point is called _____?
A. Appeared
B. Exactly
C. Space
D. Elementary event
The probability of an event cannot be _____?
A. Positive
B. Zero
C. None of these
D. Negative
The probability of drawing a picture card out of 52 cards is ______?
A. 13/52
B. 12/52
C. 16/52
D. 3/52
The probability of drawing an even number in a toss of a balanced die ___?
A. 1/6
B. 2/6
C. 3/6
D. 6/6
A box containing 12 balls of colour 6 red and 6 white. A ball of white selected ball finds the probability of white _____?
A. 7/12
B. 6/12
C. 12/12
D. 4/12
A fair coin toss the total events in sample space equal _____?
A. 7
B. 16
C. 36
D. 6
The probability that the sum is odd if two dice are thrown _______?
A. 18/36
B. 9/36
C. 6/36
D. 12/36
The probability of getting exactly three tails when three balanced coins are tossed once ______?
A. 1/8
B. 2/8
C. 5/8
D. 7/8
The probability of getting at least one head when two balance coins are tossed once ____?
A. 1/4
B. 2/4
C. 3/4
D. 4/4
If P(A/B)=1/4 and P(A∩B) =1/5 then P(B) is _____?
A. 4/5
B. 1/20
C. 0
D. 1/9
If in a coin P(H) = 2P(T) then prob. of head is ______?
A. 1/3
B. 2/3
C. 1/2
D. 0
The product of first ‘n’ natural numbers is ____?
A. 1.2.3.4,………
B. 1.2.3……(n-2) (n-1) (n)
C. n. (n-1) (n-2)…………..3.2.1.0
D. None of these
5C5 is equal to ____?
A. 5
B. 5×5
C. 1
D. None of these
. If the occurrence of one event means that another cannot happen, then the events are ______?
A. Independent
B. Mutually Exclusive
C. Bayesian
D. Empirical
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 ?
A. 4/36
B. 13/36
C. 21/36
D. 15/36
The special rule of multiplication of probability, the events must be ____?
A. Independent
B. Mutually exclusive
C. Bayesian
D. Empirical
Which of the following is not a correct statement about a Probability ____?
A. It must have a value between 0 and 1
B. It can be reported as a decimal or a fraction
C. A value near 0 means that the event is not
D. It is the collection of several experiment
In a Poisson probability distribution ______?
A. The mean and variance of the distribution are same (equal)
B. The probability of success is always greater than 5
C. The number of trials is always less than 5
D. it always contains a contingency table
Two mutually exclusive events are ____?
A. Dependent
B. Independent
C. Overlapped
D. None of These
If A and B are mutually exclusive then?
A. P(AorB) =0
B. P(AandB)=0
C. P(AnorB)=0
D. P(AeitherB)=0
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