GATE (TF) Textile 2001 Question Paper Solution | GATE/2001/TF/31 | Section B

Question 2.6 (Textile Engineering & Fibre Science)

The average lea strength of a yarn is 50 kgf with a standard deviation of 5 kgf. How many tests must be made so that maen is estimated with % error or less than 1.96 with 95% level of confidence ?

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