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Byju's Answer
Standard XII
Mathematics
Probability Distribution
For two indep...
Question
For two independent events
A
and
B
if
P
(
A
)
=
3
5
and
P
(
A
∩
B
)
=
4
9
then find
P
(
B
)
.
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Solution
Given,
For two independent events
A
and
B
if
P
(
A
)
=
3
5
and
P
(
A
∩
B
)
=
4
9
.
Since
A
and
B
are independent then
P
(
A
∩
B
)
=
P
(
A
)
.
P
(
B
)
.
or,
4
9
=
3
5
.
P
(
B
)
or,
P
(
B
)
=
20
27
.
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Similar questions
Q.
If A, B are two independent events,
P
(
A
)
=
3
4
and
P
(
B
)
=
5
8
, then
P
(
A
∪
B
)
=
Q.
For two independent events
A
and
B
, what is
P
(
A
+
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)
, given
P
(
A
)
=
3
5
and
P
(
B
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=
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?
Q.
If
P
(
A
)
=
3
5
and
P
(
B
)
=
1
5
, then find
P
(
A
∩
B
)
, if
A
and
B
are independent events.
Q.
For two independent events
A
and
B
, what is
P
(
A
+
B
)
, given
P
(
A
)
=
3
5
and
P
(
B
)
=
2
3
?
Q.
Let
A
and
B
are two independent events such that
P
(
A
)
+
P
(
B
)
=
3
4
and
P
(
¯
¯¯
¯
A
B
)
=
2
5
, then
P
(
A
∩
B
)
is -
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