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The following table gives the distribution of the life time of \(400\) neon lamps:
 
Life time (in hours) Number of lamps
\(1500-2000\) \(14\)
\(2000-2500\) \(56\)
\(2500-3000\) \(60\)
\(3000-3500\) \(86\)
\(3500-4000\) \(74\)
\(4000-4500\) \(62\)
\(4500-5000\) \(48\)
 
Find the median life time of a lamp.
 
Answer:
 
Median \(=\)  
 
[Note: Enter the answer upto \(2\) decimals.]