SOLUTION: an electric company claims that the average life of the bus in manufacturers is 1,200 hours to the standard deviation of 250 hours If a random sample of 100 bug is too soon what is
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Question 1179108: an electric company claims that the average life of the bus in manufacturers is 1,200 hours to the standard deviation of 250 hours If a random sample of 100 bug is too soon what is to probability that a sample mean will be
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
Not clear. Need to know what the random sample's mean should be. We have the sd and the initial mean, as well as the sample size, but not what we are comparing the initial mean later with the sample mean.
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