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Mathematics
Mathematics
Problem
Events
A
A
A
and
B
B
B
satisfy
P
(
A
′
)
=
0.30
P(A')=0.30
P
(
A
′
)
=
0.30
,
P
(
B
′
)
=
0.40
P(B')=0.40
P
(
B
′
)
=
0.40
and
P
(
A
∪
B
)
=
0.90
P(A\cup B)=0.90
P
(
A
∪
B
)
=
0.90
. Find
P
(
A
∩
B
)
P(A\cap B)
P
(
A
∩
B
)
. a)
0.42
0.42
0.42
b)
0.30
0.30
0.30
c)
0.40
0.40
0.40
d)
0.10
0.10
0.10
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