Question: Carlos wants to replicate a study where the highest lowest observed value is 13.8 while the lowest is 13.4. He wants to estimate the population

Carlos wants to replicate a study where the highest lowest observed value is 13.8

while the lowest is 13.4. He wants to estimate the population mean to the margin

of error of 0.025 of its true value. Using 99% confidence level, find the sample size n

that he needs.

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