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Mathematics
Mathematics
Problem
For two events
A
A
A
and
B
B
B
,
P
(
A
)
=
0.45
P(A)=0.45
P
(
A
)
=
0.45
,
P
(
B
)
=
0.55
P(B)=0.55
P
(
B
)
=
0.55
and
P
(
A
∪
B
)
=
0.80
P(A\cup B)=0.80
P
(
A
∪
B
)
=
0.80
. Find
P
(
A
∩
B
)
P(A\cap B)
P
(
A
∩
B
)
. a) 0.25 b) 0.31 c) 0.20 d) 0.10
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