Can we support the claim at 0.01 level of significance ?

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Hypothesis Tests About A Population Mean
11. The breaking strengths of ropes produced by a manufacturer have mean 1800 N and standard
deviation of 100 N. By a new technique in the manufacturing process it is claim that the breaking
strength can be increased. To test this claim, a sample of 50 ropes is tested and it is found that the
mean breaking strength is 1850 N. Can we support the claim at 0.01 level of significance ?
Transcribed Image Text:Hypothesis Tests About A Population Mean 11. The breaking strengths of ropes produced by a manufacturer have mean 1800 N and standard deviation of 100 N. By a new technique in the manufacturing process it is claim that the breaking strength can be increased. To test this claim, a sample of 50 ropes is tested and it is found that the mean breaking strength is 1850 N. Can we support the claim at 0.01 level of significance ?
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