Engineering, 20.12.2019 21:31 UaRemomGAY
The concrete canoe team does some analysis on their design and calculates that they need a compressive strength of 860 psi. they test several mix designs and chose one that has a sample mean of 900 psi with a standard error of the mean of 10 psi. the team wishes to be very conservative in their design and calculates a one-sided 99% confidence interval on the lower limit. what is this value?
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