13
40.
Value
0
1
2
3
4
Frequency
1
2
2
1
9
Find the mean of the distribution above.
A. 3 B. 1 C. 4 D. 2
41.
On a pie
chart, there are four sectors of
which three angles are 45
o
, 90
o
and 135
o
. If
the smallest sector represents
N
28.00, how
much is the largest sector.
A.
N
84.00 B.
N
42.00 C.
N
48.00
D.
N
96.00
42.
If
n
P
3
–
6
(
n
C
4
) = 0, find the value of
n.
A. 7
B. 5 C. 8 D. 6
43.
Number
1
2
3
4
5
6
Frequenc
y
12
2
0
x
2
1
x
-
1
28
The result of tossing a fair die 120 times is
summarized above. Find the value of x.
A. 20 B. 22 C. 19 D. 21
44.
The mean of the numbers 3, 6,
4, x and 7 is
5. Find the standard deviation.
A. 3 B.
2
C.
3
D. 2
45.
The histogram above shows the ages of the
victims of pollution. How many people were
involved in the pollution.
A. 20
B. 21 C. 15 D. 18
46.
A bag contains 5 black balls and 3 red balls.
Two balls are picked at random without
replacement. What is the probability that a
black and a red balls are picked.
A.
14
3
B.
28
15
C.
28
13
D.
14
5
47.
By how much is the mean of 30, 56, 31, 55,
43 and 44 less than the median.
A. 0.50 B. 0.33 C. 0.17 D. 0.75
48.
Find the number of committees of three
that can be formed consisting
of two men
and one woman from four men and three
women.
A. 6 B. 24 C. 3 D. 18
49.
Two dice are thrown. What is the
probability that the sum of the numbers is
divisible by 3.
A.
4
1
B.
3
2
C.
2
1
D.
3
1
50.
The range of 4, 3, 11, 9, 6, 15, 19, 23, 27, 24,
21 and 16 is
A. 24 B. 23 C. 21 D. 16
2003 Solutions
1.
Option D.
2.
Option D.
3.
Option B.
4.
Option D.
5.
Option B.
6.
Option B.
7.
Option D.
8.
Option B.
9.
Option D.
10.
Option C.
11.
Option B.
12.
Option B.
13.
Option A.
14.
Option B.
15.
Option D.
16.
Option A.
17.
Option C.
18.
Option C.
19.
Option C.
20.
Option C.
21.
Option A.
22.
Option B.
23.
Option C.
24.
Option B.
25.
Option
C.
26.
Option B.