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Walk in the Park

Probability puzzles require you to weigh all the possibilities and pick the most likely outcome.

 

Puzzle ID:#21639
Fun:*** (2.47)
Difficulty:*** (2.69)
Category:Probability
Submitted By:Dedrik**
Corrected By:MarcM1098

 

 

 



Alice and Bob agree to meet in the park. They agree to each show up some random time between 12:00 PM and 1:00 PM. Wait 20 minutes for the other person, or until one o'clock, whichever comes first.

Assuming they stick to their word, what is the probability that they will meet?





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