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Do you know probability ?

Discrete Mathematics Level 4

A point is marked at random on a unit line segment.

Find the expected value of the sum of the squares of the lengths of the two parts.

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Excel in math and science

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It's hard to learn from lectures and videos

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Used and loved by over 6 million people

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including olympiad champions, researchers, and professionals.

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That seems reasonable. Find out if you're right!

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by Keshav Tiwari

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