Explore topic-wise MCQs in Statistics .

This section includes 53 Mcqs, each offering curated multiple-choice questions to sharpen your Statistics knowledge and support exam preparation. Choose a topic below to get started.

1.

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
Answer» C. Whether or no t a home has a swimming pool in it.
2.

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 likely to occur/happens
D. It is the collection of several experiment
Answer» E.
3.

when a three die rolled the sample space consists of _____________?

A. 6 outcomes
B. 24 outcomes
C. 216 outcomes
D. Non of these
Answer» D. Non of these
4.

Two event are said to be equally likely is ______________?

A. As any other
B. both event occurs
C. One occurs
D. not both occurs
Answer» B. both event occurs
5.

The square bracket is an finite G. Series is obtained by formula _________________?

A. 1/1-rn
B. a/1-r
C. a/1-rn
D. a/(1-r)n
Answer» D. a/(1-r)n
6.

The special rule of multiplication of probability, the events must be ______________?

A. Independent
B. Mutually exclusive
C. Bayesian
D. Empirical
Answer» B. Mutually exclusive
7.

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
Answer» C. n. (n-1) (n-2)…………..3.2.1.0
8.

The probability that the sum is odd if two dice are thrown:_________________?

A. 18/36
B. 9/36
C. 6/36
D. 12/36
Answer» B. 9/36
9.

The probability of getting exactly two heads when two balanced coins are toss once_________________?

A. 1/4
B. 2/4
C. 3/4
D. 4/4
Answer» B. 2/4
10.

The probability of drawing same number on two dice if two dice are thrown _________________?

A. 1/36
B. 6/36
C. 12/36
D. 18/36
Answer» C. 12/36
11.

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
Answer» B. 2/8
12.

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
Answer» D. 4/4
13.

The probability of even/odd numbers when a fair die is rolled is____________?

A. 1/6
B. 2/6
C. 1/36
D. 3/6
Answer» E.
14.

The probability of drawing a picture card out of 52 cards is : ______________?

A. 13/52
B. 12/52
C. 16/52
D. 3/52
Answer» C. 16/52
15.

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
Answer» D. 6/6
16.

The probability of an event cannot be _____________?

A. Positive
B. Zero
C. None of these
D. Negative
Answer» E.
17.

The probability of drawing a diamond card out of 52 cards is ______________?

A. 13/52
B. 1/2
C. 4/52
D. 0
Answer» B. 1/2
18.

The probability of a save event is equal to _________________?

A. Two
B. Three
C. Four
D. One
Answer» E.
19.

The possibility of total outcome in a coin equal to _______________?

A. Fifty %
B. Twenty %
C. 60%
D. 30%
Answer» B. Twenty %
20.

The picture cards having in total fifty two cards is equal_________________?

A. 16
B. 24
C. 12
D. Non of these
Answer» D. Non of these
21.

The joint probability is _______________?

A. The likelihood of two events happening together
B. The likelihood of two events happening given that another event has already ha
C. Based on two mutually exclusive events
D. Also called Prior probability
Answer» B. The likelihood of two events happening given that another event has already ha
22.

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
Answer» C. Random Variable
23.

In which approach to probability the outcomes are equally likely to occur ?

A. Classical Probability
B. Subjective Probability
C. Relative Frequency
D. Independent
Answer» B. Subjective Probability
24.

In special rule of addition of probability, the events are Always:_______________?

A. Independent events
B. Mutually Exclusive events
C. Bayesian
D. Empirical
Answer» C. Bayesian
25.

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
Answer» B. The probability of success is always greater than 5
26.

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
Answer» E.
27.

If two events can both occur at the same time then they are referred as:__________________?

A. Dependent events
B. Mutually Exclusive events
C. Exclusive events
D. Independent events
Answer» C. Exclusive events
28.

If the occurrence of one event means that another cannot happen, then the events are _______________?

A. Independent
B. Mutually Exclusive
C. Bayesian
D. Empirical
Answer» C. Bayesian
29.

If the occurrence of excludes the occurrence of the other is called ________________?

A. Mutually exclusive
B. Exchaustive
C. Likely
D. Probability
Answer» D. Probability
30.

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
Answer» B. Exhaustive events
31.

If P(B/A)= 0.25 and P(A∩B) = 0.2 then P(A) will equal to _______________?

A. 0.05
B. 0.75
C. 0.8
D. 0.45
Answer» D. 0.45
32.

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
Answer» B. 1/20
33.

If P(A∩B) =1/4 then P(AUB) is ________________?

A. 1/2
B. 1/3
C. 1/12
D. 3/8
Answer» C. 1/12
34.

If in a coin P(H) = 2P(T) then prob. of head is ______________?

A. 1/3
B. 2/3
C. 1/2
D. 0
Answer» C. 1/2
35.

If an event consists of only one sample point is called _____________?

A. Appeared
B. Exactly
C. Space
D. Elementary event
Answer» E.
36.

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
Answer» D. None of these
37.

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
Answer» D. 1/169
38.

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
Answer» B. 13/52
39.

Events occurring together without affecting each other are called:_________________?

A. Dependent events
B. Independent events
C. Equally likely events
D. Mutually Exclusive events
Answer» C. Equally likely events
40.

__________ are said to be exhaustive if they constitute the entire sample space?

A. Equally
B. Events
C. Outcomes
D. Objects
Answer» B. Events
41.

An events that contains the finite number point the sample space is called __________________?

A. Finite
B. Random
C. Continuous
D. values
Answer» C. Continuous
42.

All experiments have _______ properties in common?

A. Four
B. Three
C. Two
D. One
Answer» D. One
43.

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
Answer» B. P(AUB) = P(A) + P(B) – P(A∩B)
44.

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
Answer» B. The elements of A and B
45.

A subset of the sample space is called _________________?

A. Sample point
B. Set
C. Event
D. Space
Answer» D. Space
46.

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
Answer» B. 2/3
47.

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
Answer» E. Frequency distribution
48.

A list of sample _________ is called sample space?

A. Events
B. Subset
C. Piont
D. Distinct
Answer» D. Distinct
49.

A fair coin toss the total events in sample space equal_____________?

A. 7
B. 16
C. 36
D. 6
Answer» E.
50.

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

A. Random
B. Raw data
C. Introduce
D. Specified
Answer» B. Raw data