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Mathematics, 19.02.2020 05:16 editsa

A consumer electronics firm has developed a new type of remote control button that is designed to operate longer before becoming intermittent. A random sample of 35 of the new buttons is selected and each is tested in continuous operation until becoming intermittent. The resulting lifetimes are found to have a sample mean of = 1,241.2 hours and a sample standard deviation of s = 110.8. Assuming normality of the population, the p-value for testing H0 versus Ha can be calculated to be .0174. (a) Determine whether H0 would be rejected at each of α = .10, α = .05, α = .01, and α = .001.

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