Example of Hypothesis Test 2: One-Tail Test
Автор: MathDoctorBob
Загружено: 2011-05-03
Просмотров: 38778
Описание: Statistics: A manufacturer claims that its batteries last longer than 1000 hours. A random sample of 900 batteries has a mean lifetime of 980 hours and a standard deviation of 100 hours. Set up the corresponding hypothesis test and interpret the conclusion.
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