An observer stands at an overpass of a highway and counts the cars that pass by. He stops counting when he sees a red car. If the probability of cars which are red is 0.20, what is the probability that 10 car will be observed?    0.389   0.6825   none of the choices   0.0268

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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An observer stands at an overpass of a highway and counts the cars that pass by. He stops counting when he sees a red car. If the probability of cars which are red is 0.20, what is the probability that 10 car will be observed? 

 
  1. 0.389

     
  2. 0.6825

     
  3. none of the choices

     
  4. 0.0268

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