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NIMCET 2021 Question Paper with solutions
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© examsnet.com
Question : 6
Total: 120
If
p
is the probability that a man aged
x
will die in year, then the probability that out of
n
men
A
1
,
A
2
,
.
.
.
.
.
.
,
A
n
each aged
x
,
A
1
will die in a year and be first to die, is
1
n
2
1
−
(
1
−
p
)
n
1
n
2
[
1
−
(
1
−
p
)
n
]
1
n
[
1
−
(
1
−
p
)
n
]
Validate
Solution:
Probability that a man aged
x
will die in a a year =
P
Probability that a man aged
x
will not die in a year
=
1
−
P
Probability that atleast one of
n
man will die
=
1
−
(
1
−
P
)
n
Probability of that one to be
A
1
=
1
n
[
1
−
(
1
−
P
)
n
]
© examsnet.com
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