Question: A consultant reviews a initial study on loan application processing time with an accuracy deviation ratio of 0.04 and a confidence interval of 99%. The

A consultant reviews a initial study on loan application processing time with an accuracy deviation ratio of 0.04 and a confidence interval of 99%. The sample mean is 4.2 minutes and a sample standard deviation of 2.4. Assume the maximum acceptable error to be 0.8. What should be the number of observations if a study to be conducted (don't round your answer).

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