Probability of observing a car

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If the probability of observing a car in 30 minutes on a highway is 0.95, what is the probability of observing a car in 10 minutes (assuming constant default probability)? 

Comments

  1. Mufaddal AliJune 30, 2011 at 12:05 PM

    I think we have to take any exponential equation

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  2. AnonymousJune 30, 2011 at 5:10 PM

    1-(0.05)^(1/3)

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  3. AdminJune 30, 2011 at 5:46 PM

    @anonymous correct...

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  4. AdminJune 30, 2011 at 5:48 PM

    let the probability of not observing a car in 10 min is p,then probability of not observing a car in 30 min is p*p*p = 1-0.95 =0.05
    so required probability = 1-(0.05)^(1/3)

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