SOLUTION: A quality control manager at a fluorescent lamp factory needs to determine whether the mean life of a large shipment of fluorescent lamps is equal to the specified value of 250 hou
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Question 858619: A quality control manager at a fluorescent lamp factory needs to determine whether the mean life of a large shipment of fluorescent lamps is equal to the specified value of 250 hours. State the null and alternative hypotheses. Answer by Fombitz(32388) (Show Source):
You can put this solution on YOUR website! Null Hypothesis : Mean life is less than 250 hours.
Alternate Hypothesis : Mean life is greater than or equal to 250 hours.
