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Standard XI
Maths
Operations on Sets
Question
Let $$P(A)=0.4$$ & $$P(B/A)=0.5$$. The propability $$P(\overline A \cup \overline B)$$ is equal to ___________.
A
$$0.8$$
B
$$0.7$$
C
$$0.6$$
D
None of these
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Solution
Verified by Toppr
Correct option is A. $$0.8$$
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Similar Questions
Q1
Let $$P(A)=0.4$$ & $$P(B/A)=0.5$$. The propability $$P(\overline A \cup \overline B)$$ is equal to ___________.
View Solution
Q2
Given
P
(
A
)
=
0.5
,
P
(
B
)
=
0.4
,
P
(
A
∩
B
)
=
0.3
,
then
P
(
A
′
/
B
′
)
is equal to
View Solution
Q3
1
)
−
If
P
(
A
)
=
0.8
,
P
(
B
)
=
0.5
and
P
(
B
|
A
)
=
0.4
,
Find
(
i
)
P
(
A
∩
B
)
2
)
−
If
P
(
A
)
=
0.8
,
P
(
B
)
=
0.5
and
P
(
B
|
A
)
=
0.4
,
Find
(
i
i
)
P
(
A
|
B
)
3
)
−
If
P
(
A
)
=
0.8
,
P
(
B
)
=
0.5
and
P
(
B
|
A
)
=
0.4
,
Find
(
i
i
i
)
P
(
A
∪
B
)
View Solution
Q4
If $$P(A)=0.4, P(B)=0.3$$ and $$P(B/A)=0.5$$, find $$P(A\cap B)$$ and $$P(A/B)$$.
View Solution
Q5
If
P
(
A
)
=
0.8
,
P
(
B
)
=
0.5
&
P
(
B
/
A
)
=
0.4
find (i)
P
(
A
∩
B
)
(ii)
P
(
A
/
B
)
(iii)
P
(
A
∪
B
)
.
View Solution
