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Mathematics
Problem
For two events
A
A
A
and
B
B
B
,
P
(
A
)
=
0.4
P(A)=0.4
P
(
A
)
=
0.4
,
P
(
B
)
=
0.5
P(B)=0.5
P
(
B
)
=
0.5
and
P
(
A
∩
B
)
=
0.2
P(A\cap B)=0.2
P
(
A
∩
B
)
=
0.2
. Find
P
(
A
∪
B
)
P(A\cup B)
P
(
A
∪
B
)
. a)
0.5
0.5
0.5
b)
0.7
0.7
0.7
c)
0.9
0.9
0.9
d)
0.3
0.3
0.3
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