Test:
Probability - Ambitious
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Question 1:
Probability that a factory doesn't meet it's production limit is
3
25
. What is the probability that a factory meets the production limit?
A
1
5
B
80
%
C
12
%
D
22
25
Question 2:
What is the probability of throwing
3
with a cube shaped dice?
A
1
3
B
1
C
1
2
D
1
6
Question 3:
What is the probability of throwing
4
or
5
with a dice?
A
1
3
B
1
6
C
1
2
D
1
12
Question 4:
What is the probability of throwing
6
in a first try and
1
in the second throw with a dice?
A
1
12
B
1
3
C
1
6
D
1
36
Question 5:
What is the probability of picking red king, red queen and red jack from a pack of cards?
A
1
52
B
3
52
C
3
26
D
1
8
Question 6:
Dice was thrown
100
times. Number
2
was picked
11
times. What is the relative frequency of
2
? Is the dice fair?
A
0.09
,
not fair
B
0.17
,
fair
C
0.16
,
fair
D
0.11
,
not fair
Question 7:
There are
6
green balls and
4
purple balls in a box. What is the probability of picking the green ball?
A
P
(
G
)
=
3
5
B
P
(
G
)
=
2
5
C
P
(
G
)
=
3
10
D
P
(
G
)
=
1
2
Question 8:
Six friends sent each other postcards from summer holidays. How many postcards were sent in total?
A
36
B
30
C
15
D
18
Question 9:
Six friends shook hands with each other for goodbye. How many handshakes there were in total?
A
36
B
15
C
18
D
30
Question 10:
There are
6
green and
4
purple balls in a box. How many purple balls must be added to the box, so that probability of picking a purple ball is
2
3
?
A
2
B
6
C
8
D
4
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