A surface has infinite parallel lines at distance d from adjacent lines. We have a needle of length l which we throw randomly on the surface. What is the probability that the needle intersects a line? Assume l < d.

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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A surface has infinite parallel lines at distance d from adjacent lines. We have a needle of length l which we throw randomly on the surface. What is the probability that the needle intersects a line? Assume l < d.

 

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