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A 5-metre stick is broken into two pieces at random. What is the length of the shorter piece, on average?

+1 vote
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posted Apr 13, 2014 by anonymous

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2 Solutions

+3 votes

1.25
because smaller stick will be between 0.1 to 2.4 size,
on average it will be 1.25

solution Apr 17, 2014 by Satish Kumar Vadlavalli
+1 vote

Expected length of smaller part will be 1/2 of 1/2*original length i.e. 5/4 m = 1.25m

solution Dec 19, 2014 by Shashi Kant



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