questionr
Early access
Exams
Joint Entrance Examination
Mathematics
Probability
Question 198
Question 198 of 417
Medium
MCQ
P
(
exactly one of
A
,
B
)
=
2
5
P(\text{exactly one of }A,B)=\dfrac25
P
(
exactly one of
A
,
B
)
=
5
2
,
P
(
A
∪
B
)
=
1
2
P(A\cup B)=\dfrac12
P
(
A
∪
B
)
=
2
1
. Find
P
(
A
∩
B
)
P(A\cap B)
P
(
A
∩
B
)
.
A
0.02
B
0.20
C
0.01
D
0.10
Check answer
Press A-D to select · Enter to check
Solutions · 1
Post your solution
Official solution
P
(
A
)
+
P
(
B
)
−
2
P
(
A
∩
B
)
=
2
5
P(A)+P(B)-2P(A\cap B)=\dfrac25
P
(
A
)
+
P
(
B
)
−
2
P
(
A
∩
B
)
=
5
2
and
P
(
A
)
+
P
(
B
)
−
P
(
A
∩
B
)
=
1
2
P(A)+P(B)-P(A\cap B)=\dfrac12
P
(
A
)
+
P
(
B
)
−
P
(
A
∩
B
)
=
2
1
. \[P(A\cap B) = \frac12-\frac25=0.10\]
Answer the question to unlock
Previous
Next