Your Company Is Located in New York City and Your $\bar { x }$

Short Answer

Your company is located in New York City and your job requires that you travel by air to many other major cities such as Boston,Chicago,Los Angeles,Detroit,Houston,Dallas,Atlanta,Denver,and Washington,DC.Your average round-trip airfare for the past year has been $495 with a standard deviation of $240.If for your next year's planning budget you estimate your average air ticket between $395 and $550,what is the probability that the mean, $\bar { x }$ ,of your next 36 flights will fall in this range?