29. A Chemistry Experiment Each of n530 students in a chemistry class measured the amount of copper...

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29. A Chemistry Experiment Each of n530 students in a chemistry class measured the amount of copper precipitated from a saturated solution of copper sulfate over a 30-minute period. The sample mean and standard deviation of the 30 measurements were equal to .145 and .0051 mole, respectively. Find a 90% confidence interval for the mean amount of copper precipitated from the solution over a 30-minute period.

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