28 A survey of 22 randomly sampled judges employed by the state of Florida found that they earned an average wage (including benefits) of $6100 per hour. The sample standard deviation was $566 per hour (Use Distribution Table) a. What is the best estimate of the population mean? Estimated population mean SOOR b. Develop a 98% confidence interval for the population mean wage (including benefits) for these employees. (Round your answers to 2 decimal places.) Confidence interval for the population mean wage bo between And How large a sample is needed to assess the population mean with an allowable error of $100 at 95% confidence? (Round up your answer to the next whole number.) ample