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04-08-2018
Mathematics

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The train station runs trains every 30 minutes. Find the probability that a passenger who arrives at a random time will not have to wait more than 20 minutes. A. 1/3 B. 1/2 C. 2/3 D. 25/30

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konrad509 konrad509

04-08-2018

[tex] |\Omega|=30\\
|A|=20\\\\
P(A)=\dfrac{20}{30}=\dfrac{2}{3}\Rightarrow \text{C} [/tex]

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