A manufacturer of chains claims that the product has a mean breaking point of 3,000 kg. Test this claim at 0.005 significance level of a random sample of 10 chains produce a mean of 2,892 kg with a standard deviation of 480kg. (Accept or reject and give the sample t-score value.) o Accept, -0.711 o Accept, 1.25 A¢ o Reject, -1.25 O Accept, -1.25

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A: After enable the MegaStat Add-In into EXCEL, enter the given data in EXCEL sheet.

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Q: c. Find P(X>40).

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Q: Question 15 is what I am struggling with. Please help, thank you.

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Q: If the population standard deviation is σ=10, how large a sample is necessary to have a standard…

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