Mathematics, 05.06.2020 18:00 rowdycar313p0ao5k
In a random sample of 25 laptop computers the mean repair cost was $150 with a standard deviation of $35. Compute the 99% confidence interval for u
Answers: 3
represent the sample mean for the sample 
population mean 
(1)
we need to find first the degrees of freedom, given by:
and 
and the critical value for this case 
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In a random sample of 25 laptop computers the mean repair cost was $150 with a standard deviation of...
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