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Byju's Answer
Standard XII
Mathematics
Intersection of Sets
Given that ...
Question
Given that
E
and
F
are events such that
P
(
E
)
=
0.6
,
P
(
F
)
=
0.3
and
P
(
E
∩
F
)
=
0.2
,
find
P
(
E
|
F
)
and
P
(
F
|
E
)
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Solution
F
(
E
∩
F
)
=
0.2
,
P
(
F
)
=
0.3
∴
P
(
E
|
F
)
=
P
(
E
∩
F
)
P
(
F
)
=
.2
.3
=
2
3
P
(
F
|
E
)
=
E
(
E
∩
F
)
P
(
E
)
=
.2
.6
2
6
=
1
3
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0
Similar questions
Q.
Given that
E
and
F
are events such that
P
(
E
)
=
0.6
,
P
(
F
)
=
0.3
and
P
(
E
∩
F
)
=
0.2
, find
6
P
(
F
|
E
)
.
Q.
Given that
E
and
F
are events such that
P
(
E
)
=
0.6
,
P
(
F
)
=
0.3
and
P
(
E
∩
F
)
=
0.2
, then the value of
P
(
E
/
F
)
and
P
(
F
/
E
)
is:
Q.
Given that E and F are events such that P (E) = 0.6 P (F) = 0.3 and
P
(
E
∩
F
)
=
0.2
,
f
i
n
d
(
E
F
)
a
n
d
P
(
F
E
)
.
Q.
If E and F are events such that P(E) = , P(F) = and P(E and F) = , find:(i) P(E or F), (ii) P(not E and not F).
Q.
If E and F are events such that
P
(
E
)
=
1
4
,
P
(
F
)
=
1
2
and
P
(
E
∩
F
)
=
1
8
find
P
(
E
′
∩
F
′
)
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