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Probability
Venn diagrams
13.5 Venn diagrams
AQA
Edexcel
OCR A
OCR B (MEI)
Revise
Venn diagrams show the outcome of events graphically. Frequency or probabilities can be placed in regions of the Venn diagram.
P
(
A
∪
B
)
=
P
(
A
)
+
P
(
B
)
−
P
(
A
∩
B
)
P(A∪B) = P(A) + P(B) - P(A∩B)
P
(
A
∪
B
)
=
P
(
A
)
+
P
(
B
)
−
P
(
A
∩
B
)
Important
P
(
A
∪
B
)
=
P
(
A
)
+
P
(
B
)
−
P
(
A
∩
B
)
P(A∪B) = P(A) + P(B) - P(A∩B)
P
(
A
∪
B
)
=
P
(
A
)
+
P
(
B
)
−
P
(
A
∩
B
)
3
