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Unformatted text preview: 118m 126 m 112m 130m 121m 118m Determine the upper and lower tolerance values within the population mean may be expected to fall with a significance level of 20%. Problem 4) Assume your friend used the same data given in Problem 3, and calculated the confidence interval as: x m 8.491 m What confidence level did your friend assume? Problem 5) Assume that the meltdown temperature of a nuclear reactor is 5000 C and that to guarantee safe operation we wish to ensure the mean temperature never rises above 2500 C. The following 10 random measurements are taken during standard operation: 2456 C 2499 C 2364 C 2257 C 2432 C 2447 C 2412 C 2346 C 2398 C 2489 C Calculate the upper limit below which the mean operating temperature is expected to fall with 99% confidence. Does this exceed acceptable limitations?...
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- Fall '08