A survey of 22 randomly sampled judges employed by the state of Florida found that they earned an average wage (including benefits) of $61.00 per hour. The sample standard deviation was $5.66 per hour. (Uset Distribution Table & z Distribution Table.) Required: a. What is the point estimate of the population mean? b. Develop a 98% confidence interval for the population mean wage (including benefits) for these employees. (Round your answers to 2 decimal places.) c. How many judges should be selected to estimate the population mean wage with 95% confidence and a margin of error of $1.00? (Round up your answer to the next whole number.)