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CA 2 Exam Revison
Test Description: This is to help revise for the CA 2 exm.
Instructions: Answer all questions to get your test result.
1) A class has 10 boys and 12 girls, if one is picked randomly, what is the probability it's a boy?
A
50%
B
54.54%
C
45.45%
D
10%
2) Rolling a dice, what is the probability of rolling a 3?
A
33.33%
B
50%
C
20%
D
16.6%
3) Find the mean of the following numbers, 1, 2, 4, 8, 10, 2, 5, 6, 3, 2.
A
4.3
B
4.7
C
3.4
D
3.9
4) Find the mode of the following numbers, 1, 2, 4, 8, 10, 2, 5, 6, 3, 2.
A
3
B
10
C
1
D
2
5) Find the median of the following numbers, 1, 2, 4, 8, 10, 2, 5, 6, 3, 2.
A
3.5
B
3
C
2
D
4
6) Rooms listed from 1-10, what is the probability of getting a prime number room?
A
20%
B
50%
C
30%
D
40%
7) Rooms listed from 1-10, what is the probability of getting a even number room?
A
40%
B
30%
C
20%
D
50%
8) Rooms listed from 1-10, what is the probability of getting an odd number room?
A
15%
B
10%
C
50%
D
80%
9) Rooms listed from 1-10, what is the probability of getting a even above 6 number room?
A
10%
B
40%
C
20%
D
30%
10) Rooms listed from 1-10, what is the probability of getting an odd less than 6 number room?
A
70%
B
100%
C
30%
D
20%
*select an answer for all questions
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