According to a Bureau of Labor Statistics, a worker in the U.S. spends on average 528 minutes a day on the job. Suppose the standard deviation of the time spent on the job is 44 minutes. A sample of 64 workers have a mean time 531minutes. What is n? A What is ? A What is the standard deviation of the sample means ()? What is ? A/ What is the probability that the sample mean be more than 531 minutes? Round to 3 decimal places.