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Among all cars in a junkyard, 10% of them lasted for more than 15 years. If you randomly choose 15 cars from this junkyard, what is the chance that at least two of them aged over 15 years? Continue from part (a), how many of cars (out of 15) do you expect to have that are older than 15 years? Now if you keep on selecting cars, one at a time until you find 3 cars aged 15 or older, what is the chance that you need to select exactly 5 cars?

Among all cars in a junkyard, 10% of them lasted for more than 15 years. If you randomly choose 15 cars from this junkyard, what is the chance that at least two of them aged over 15 years? Continue from part (a), how many of cars (out of 15) do you expect to have that are older than 15 years? Now if you keep on selecting cars, one at a time until you find 3 cars aged 15 or older, what is the chance that you need to select exactly 5 cars?

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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  1. Among all cars in a junkyard, 10% of them lasted for more than 15 years.
  • If you randomly choose 15 cars from this junkyard, what is the chance that at least two of them aged over 15 years?

 

 

 

  • Continue from part (a), how many of cars (out of 15) do you expect to have that are older than 15 years?

 

 

 

 

  • Now if you keep on selecting cars, one at a time until you find 3 cars aged 15 or older, what is the chance that you need to select exactly 5 cars?
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