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Byju's Answer
Standard VI
Mathematics
Compound Events [ P(A or B), P( A and B) ]
PA and B = PA...
Question
P(A and B) = P(A)
×
P(B)
is valid for both independent and dependent compound events.
A
True
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B
False
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Solution
The correct option is
B
False
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Similar questions
Q.
A coin is tossed three times. If events A and B are defined as A = Two heads come, B = Last should be head. Then, A and B are
(a) independent
(b) dependent
(c) both
(d) mutually exclusive
Q.
Moseley's Law for characteristic X-ray is √v = a(Z − b). Here,
(a) both a and b are independent of the material
(b) a is independent but b depends on the material
(c) b is independent but a depends on the material
(d) both a and b depend on the material
Q.
Assertion :
Let
A
,
B
and
C
be three events such that
A
is independent of both
B
and
C
.
A
is independent of
B
∪
C
.
Reason:
A
is independent of
B
∩
C
.
Q.
Moseley’s law for line x-rays is given by:
√
v
=
a
(
z
−
b
)
Here:
Q.
All independent events are compound events but all compound events are not independent events.
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