POL212




Category: POL212

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ATTENTION:

Kindly note that you will be presented with 50 questions randomized from the NOUN question bank. Make sure to take the quiz multiple times so you can get familiar with the questions and answers, as new questions are randomized in each attempt.

Good luck!


POL212

1 / 50

1. Evaluate n! + 0! / 2

2 / 50

2. The biggest financial in scientific research funding is

3 / 50

3.

In an objective test marked out of 40, the marks scored by 40 student are
given in this table Marks % 1 - 5 6 - 10 11 - 20 21 - 30 31 - 35 36 - 40.
Calculate the mean, using an assumed mean of 21 No. of Students 2 7 12
8 5 6

4 / 50

4.

The cardinality of the union of Sets A, B, C, if A = {2, 3, 5, 7, 11, 13}, B = {0,
1, 9,} and C = {2, 4, 6, 8, 10, 12, 14} is

5 / 50

5.

If the probability of a pregnant woman giving birth to a male child is 0.25,
what is the probability that the child will be a girl

6 / 50

6.

If A= {a,b,c,d,e,f} and B={c,d,e}, then, it is correct to conclude that B is
A

7 / 50

7.

Two sets X and Y are said to be _if they have
no elements in common

8 / 50

8.

In a broad sense, _is a diagram that shows
relationships between numbers

9 / 50

9.

When an experiments are actually carried out under the same condition
through which an outcome is obtained. The probability of such an event is
called

10 / 50

10.

In a class of 181 student, 102 offers POL 212, 64 offer BHM 206, 58 offer
POL 202 and all the students take at least one of the subjects. 20 offer
POL 212 and BHM 206, 15 offer POL 212 and POL 202, 18 offer BHM 206
and POL 212. Find how many students offer BHM and POL 212 only

11 / 50

11. If sets A={2,5,7,8,9} and B={1,3,5,7}. Then AnB is

12 / 50

12.

The probability of an event that can be obtained from an already existing
result, from what is likely to happen or from already known information is
termed

13 / 50

13. The symbol ∑ƒ means

14 / 50

14. If A=46, B=34 and C=40; What angle would represent B on a pie chart

15 / 50

15. Coefficient of variation is equal to

16 / 50

16.

One of the class interval for a grouped frequency table is 60 - 66, what is
the class boundary for this class

17 / 50

17. Find the value of 2! + 5!

18 / 50

18. Find the third quartile in the following data set; 22,31,20,24,27,55

19 / 50

19.

In a class of 181 student, 102 offers POL 212, 64 offer BHM 206, 58 offer
POL 202 and all the students take at least one of the subjects. 20 offer
POL 212 and BHM 206, 15 offer POL 212 and POL 202, 18 offer BHM 206
and POL 212. Find how many students offer POL 202 only

20 / 50

20. If A= {a,b,c,d,e,f, g, h}, the cardinality of the elements is

21 / 50

21.

Find the class mark in a grouped frequency table with the class interval 40 -
49

22 / 50

22.

p AND q is a compound statement formed from two simple statements p
and q respectively. What is the statement p ^ q

23 / 50

23. The two types of statistics are

24 / 50

24.

If the Universal Set U is given by U = {a, b, c, d, e, f, h, h} and the sets A =
{a, b, c}, B = {b, c, d, f, h}, C = {b, c, d, e}; find (AnB)

25 / 50

25.

Which of the following Set is a infinite Set A = {x : 2 ≤ x ≤ 12, x is an
integer} B = {x: x is real}, C = {x: 3 < x < 6, x is rational number}, D = {x: x is complex number}

26 / 50

26.

In a single toss of three fair coins. What is the probability of having exactly
2 tails

27 / 50

27. How many subsets has a set consisting 4 elements

28 / 50

28.

A statistical experiemnt in which the results of the experiment are not
subject to chance if repeatedly severally under the same condition is called

29 / 50

29.

The primary purpose for is to discover,
interpret develop methods and systems for the growth of knowledge

30 / 50

30.

When a disfunction (OR) connective is used between two statements p, q,
the statement p OR q is only false when

31 / 50

31.

The recommend that census should seek Age, Nationality, Sex and Weight
is made by

32 / 50

32.

There are basically two methods for assigning probabilities to events. One
of these methods is

33 / 50

33.

In a class of 181 student, 102 offers POL 212, 64 offer BHM 206, 58 offer
POL 202 and all the students take at least one of the subjects. 20 offer
POL 212 and BHM 206, 15 offer POL 212 and POL 202, 18 offer BHM 206
and POL 212. Find how many students offer POL 212 only

34 / 50

34.

The scores of 5 students in an examination are: 6, 5, 8, 7 and 4. Find the
variance

35 / 50

35.

What is the third quatile of the following set of data 16, 25, 14, 18, 21, 23,
19, 18, 21, 49

36 / 50

36.

A box contains 10 green, 8 yellow and 5 red marbles. If two marbles are
picked at random, what is the probability that one is green and one is red

37 / 50

37.

Calculate the standard deviation of the following set of numbers:
148,146,150,154,156,158,160,162,164,166,168,170

38 / 50

38.

In a particular week, the number of student that enrols at various school at
the National Open University of Nigeria is as follow; School of education
150; School of Arts and Social Sciences 360; School of Law 220; School of
Science and Technology 250; School of management 600; School of Postgraduate Studies 420. If the information is represented on a pie chart, what
angle will the School of Arts & Social Sciences be represented with

39 / 50

39.

One of the attributes of statistical inquires and sampling is that it enable
researcher get __easily

40 / 50

40.

A ballot box containing 12 male voter's cards and another box containing
100 female voter's cards. Find the number of ways of selecting 5 male
voter's cards

41 / 50

41.

Hybrid sampling is a method that combines
procedure

42 / 50

42.

The difference between the largest and smallest scores of ungrouped data
is the

43 / 50

43. A set without any element is called

44 / 50

44. In how many ways can the acronyms NOUN be written

45 / 50

45.

Any piece(s) of information that represents the qualitative attributes of a
variable(s) is called

46 / 50

46.

Given a set of raw data 2, 3, 2, 1, 4, 4, 1, 1, 1, 3, 2, 2, 2, 2, 5, 0, 0, 0, 1. The
date with the highest frequency is

47 / 50

47.

In a class of 181 student, 102 offers POL 212, 64 offer BHM 206, 58 offer
POL 202 and all the students take at least one of the subjects. 20 offer
POL 212 and BHM 206, 15 offer POL 212 and POL 202, 18 offer BHM 206
and POL 212. Find how many students offer BHM 206 and POL 202 only

48 / 50

48.

p <=> q is a statemnent obtaind by using 'if and only if' connective to one
simple statements p and q. When is the resulting statement p <=> q True

49 / 50

49.

Five delegates out of 6 women and 7 men are to represent an electoral
body at a National election. In how many ways can the delegates be
selected if it must consist of 2 women and 3 men

50 / 50

50.

The scores of 5 students in an examination are 6, 5, 8, 7 and 4. Find the
standard deviation

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