Mathematics, 26.07.2019 20:10 getyoursmarts
Fluorescent light bulbs have lifetimes that follow a normal distribution, with an average life of 1,685 days and a standard deviation of 1,356 hours. in the production process the manufacturer draws random samples of 197 light bulbs and determines the mean lifetime of the sample. what is the standard deviation of the sampling distribution of this sample mean?
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Fluorescent light bulbs have lifetimes that follow a normal distribution, with an average life of 1,...
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