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Other
Quantitative Aptitude
Conditional Probability
If A and B ar...
Question
If A and B are two events then
A
P
(
A
∩
B
)
≥
P
(
A
)
+
P
(
B
)
−
1
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B
P
(
A
∩
B
)
≥
P
(
A
)
+
P
(
B
)
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C
P
(
A
∩
B
)
=
P
(
A
)
+
P
(
B
)
−
P
(
A
∪
B
)
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D
P
(
A
∩
B
)
=
P
(
A
)
.
P
(
B
)
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Solution
The correct options are
A
P
(
A
∩
B
)
≥
P
(
A
)
+
P
(
B
)
−
1
C
P
(
A
∩
B
)
=
P
(
A
)
+
P
(
B
)
−
P
(
A
∪
B
)
P
(
A
∪
B
)
=
P
(
A
)
+
P
(
B
)
−
P
(
A
∩
B
)
P
(
A
∪
B
)
≤
1
∴
P
(
A
)
+
P
(
B
)
−
P
(
A
∩
B
)
≤
1
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0
Similar questions
Q.
If A and B are two events, then P (
A
∩ B) =
(a) P
A
P
B
(b) 1 − P (A) − P (B)
(c) P (A) + P (B) − P (A ∩ B)
(d) P (B) − P (A ∩ B)