Question: A client has approached you wanting to determine the number of samples they must run to get to an acceptable level of error. They report

A client has approached you wanting to determine the number of samples they must run to get to an acceptable level of error. They report that the standard deviation is 0.037 mol/L. They wish to ensure there is no more than 0.011 mol/L error. How many sample must they run to ensure the client can be 90% confident the result is no more than 0.011 mol/L

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