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Byju's Answer
Standard X
Mathematics
Experimental Probability
Prove that if...
Question
Prove that if A and B are independent events then A conpliment and B compliment are also independent events
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Solution
We
know
that
,
P
A
∩
B
=
P
A
∪
B
⇒
P
A
∩
B
=
1
-
P
A
∪
B
⇒
P
A
∩
B
=
1
-
P
A
+
P
B
-
P
A
∩
B
⇒
P
A
∩
B
=
1
-
P
A
+
P
B
-
P
A
.
P
B
⇒
P
A
∩
B
=
1
-
P
A
-
P
B
+
P
A
.
P
B
⇒
P
A
∩
B
=
1
-
P
A
-
.
P
B
1
-
P
A
⇒
P
A
∩
B
=
1
-
P
A
1
-
P
B
=
P
A
.
P
B
Hence
,
A
and
B
are
independent
events
.
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Q.
A
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