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Probability EdExcel AS Maths Statistics Flashcards | StudBud
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Probability EdExcel AS Maths Statistics
Probability EdExcel AS Maths Statistics
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Questions
13
Answers
1
If two events are independent then
P(A ∩ B) = P(A) + P(B)
P(A υ B) = P(A) x P(B)
P(A ∩ B) = P(A) x P(B)
P(A υ B) = P(A) + P(B) - P(A ∩ B)
2
Find P ( Internet | 8th ).
20/68
68/117
68/88
68/20
3
Find P(B'∩C')
16/23
7/23
3/23
4/23
4
Find P ( F | S ).
14/10
10/23
14/23
14/24
5
For the events
A
and
B
, P(
A
' ∩
B
) = 0.22 and P(
A
' ∩
B
') = 0.18) Find P(
A
).
0.5
0.4
0.7
0.6
6
Find P ( S | F ).
14/50
14/24
14/23
14/37
7
Find P(A∪B')
49/60
47/60
11/60
3/60
8
What is the area within the overlap of two sets in a Venn diagram called?
Complement
Union
Intersection
Universal set
9
A and B are independent events. P(
A
') = 0.6 and P(
B
) = 0.3 Find P(
A
∩
B
).
0.9
0.7
0.18
0.12
10
For the events
A
and
B
, P(
A
' ∩
B
) = 0.22 and P(
A
' ∩
B
') = 0.18) Find P(
A
∪
B
).
0.62
0.4
0.82
0.78
11
Find P ( TV | 7th ).
13/33
13/62
20/33
13/49
12
Find P(A'∩B)
13/60
24/60
49/60
24/60
13
Find P(W|B ∪ T).
4/25
5/25
0/25
3/25
