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CGP EDU Academic Team
Published on: August 14, 2026
Let p be the probability that a man aged x years will die in a year time. Then find the probability that out of 'n' men A 1 , A 2 , A 3 ,......, A n each aged 'x' years. A 1 will die & will be the first to die.
Text Solution
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Sol. P = P( 1 person dies) + P(2 person dies) P(A 1 dies ; first / 2 person died) + P(3 person died)
P(A 1 died first / 3 person died) = 
= 
= 
As 
= 
; P = Pq n–1 + 
⇒ P = pq n – 1 + 
P = Pq n – 1 + 
= 
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