1 of 5
Mathematics AA
SL and HL
Paper 1 · no calculator
SL4.6
Question 1 · 5 marks
Spec and skills
Spec SL4.6
Events
A
A
A
and
B
B
B
satisfy
P
(
A
)
=
0.45
P(A) = 0.45
P
(
A
)
=
0.45
,
P
(
B
)
=
0.3
P(B) = 0.3
P
(
B
)
=
0.3
and
P
(
A
∪
B
)
=
0.6
P(A \cup B) = 0.6
P
(
A
∪
B
)
=
0.6
.
(a)
Find
P
(
A
∩
B
)
P(A \cap B)
P
(
A
∩
B
)
.
2 marks