Published data designates that in 2008 mid-level management travellers spent an average of $381 per day with a standard deviation of $47 when they were in Chicago on business. The accounting firm Ernst as well as Sachs randomly selected a sample of 65 of their accountants who had travelled to Chicago in 2008. Please calculate the probability of getting a sample average of more than $373 per day if Ernst as well as Sachs accountants are generally similar to the national population for which the published data mentioned in the first sentence is available