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In the Past, the Mean Running Time for a Certain 8.38.3

question 6

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In the past, the mean running time for a certain type of flashlight battery has been 8.38.3 hours. The manufacturer has introduced a change in the production method and wants to perform a hypothesis test to determine whether the mean running time has increased as a result. The hypotheses are:
H0:μ=8.3 hours HA:μ>8.3 hours \begin{array} { l } H _ { 0 } : \mu = 8.3 \text { hours } \\H _ { A } : \mu > 8.3 \text { hours }\end{array}
Explain the result of a Type I error.


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The process or person responsible for addressing and resolving grievances or concerns raised.

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