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Probability of Not Seeing a Car
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As the time decreases the probability of not seeing the car increases. So, the probability of seeing the car in 5 mins will be p/(30/5) = p/6
comment by sachidanand on 2009-09-29 07:23:48
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Actually the answer can not be linearly found.. i.e. the relation between probability and time can't be P(t) = k * t
This is because, if let's say P = 1/10 at t = 30 minutes, then at any t > 300 minutes, P > 1, which is obviously not possible.
Actually the answer should be exponential , and to be precise it is : P(t) = k*(1 - e^(1/t))
Putting values for P(30), we can always find the value of k, and by which we calculate P(5).
comment by gaurav1987pal on 2009-12-26 04:04:45
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Correction : P(t) = ( 1 - e^(-k/t) )
comment by gaurav1987pal on 2009-12-26 04:23:02
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Not Correct Till NOW :P
P(t) = (1 - e^(-kt)).
Shit, I'm kicked out of the Interview ..
comment by gaurav1987pal on 2009-12-26 04:27:42
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