NIMCET 2021 Question Paper with solutions

Question : 6 of 120

Marks: +1, -0

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

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}]

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