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The strength of residential pipes equal 2400lbs per feet. Each manufacture wants

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To sell the pipes for specification. Sample mean for strength for 50 pipes turned to be x̅=2460lbs per linear foot. Assume the population standard deviation is 200lbs per linear foot. can you reject the null hypothesis at 5% what is the p-value? HELP

Mar 14th, 2015
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Mar 14th, 2015
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Mar 14th, 2015
Sep 20th, 2017
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