Question

A company produces tables which r packed in batches of 100.An analysis of the defective tubes in different batches has received the following information:
No.of defective tubes No.of tubes
Less than 5 45
5-9 51
10-14 84
15-19 39
20-24 20
25-29 8
30 & above 4
Estimate the number of defective tubes in the central batch
pls answer the above question ​

Answer 1

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Answer 2

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