1993 - WAEC Mathematics Past Questions and Answers - page 5
41
How many student took the examination
A
18
B
20
C
21
D
23
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42
How many students scored less than 7 marks?
A
9
B
15
C
18
D
21
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43
What is the probability that an integer selected from the set of integers (20, 21, ...., 30) is a prime number?
A
2/11
B
5/11
C
6/11
D
9/11
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44
A fair die is rolled once. What is the probability of obtaining a number less than 3?
A
1/6
B
1/3
C
2/3
D
1/2
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45
What is the probability of having an even number in a single toss of a fair die?
A
1/6
B
1/3
C
1/2
D
2/3
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46
What is the probability that the total sum of seven would appear in toss of a fair die?
A
5/36
B
1/6
C
7/36
D
5/6
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47
A die is rolled 200 times the outcomes obtained are shown in the table below.
Find the probability of obtaining 2.
A
0.002
B
0.015
C
0.15
D
16
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48
| Number | 1 | 2 | 3 | 4 | 5 | 6 |
| No of times | 25 | 30 | 45 | 28 | 40 | 32 |
A die rolled 200 times. The outcome obtained are shown in the table above.
What is the probability of obtaining a number less than 3 ?
A
0.125
B
0.150
C
0.275
D
0.500
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