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Let
P
(
A
)
=
0.5
,
P
(
B
)
=
0.3
and
P
(
A
and
B
)
=
0.1
.
Calculate
P
(
A
or
B
)
.
P
(
A
or
B
)
=
7
8
9
+
4
5
6
-
1
2
3
*
C
0
.
÷
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