The mean cost of domestic airfares in the united states rose to an all-time high of $385 per ticket (bureau of transportation statistics website, november 2, 2012). airfares were based on the total ticket value, which consisted of the price charged by the airlines plus any additional taxes and fees. assume domestic airfares are normally distributed with a standard deviation of $110.

a. what is the probability that a domestic airfare is $550 or more (to 4 decimals)?
b. what is the probability than a domestic airfare is $250 or less (to 4 decimals)?
c. what if the probability that a domestic airfare is between $300 and $500 (to 4 decimals)?
d. what is the cost for the 3% highest domestic airfares?

Select the correct answerwhat is the responsibility of each of the twelve federal reserve's banks in their districts? a.they set the prime rateob.they monitor functioning of banks in their through onsite and offsite reviewsc.they assess taxes in their destnictd.they write fiscal policies

The wall street journal reported that walmart stores inc. is planning to lay off 2,300 employees at its sam's club warehouse unit. approximately half of the layoffs will be hourly employees (the wall street journal, january 25-26, 2014). suppose the following data represent the percentage of hourly employees laid off for 15 sam's club stores. 55 56 44 43 44 56 60 62 57 45 36 38 50 69 65 (a) compute the mean and median percentage of hourly employees being laid off at these stores. (b) compute the first and third quartiles. (c) compute the range and interquartile range. (d) compute the variance and standard deviation. (e) do the data contain any outliers? (f) based on the sample data, does it appear that walmart is meeting its goal for reducing the number of hourly employees?

Given the following information about the closed economy of brittania, what is the level of investment spending and private savings, and what is the budget balance? assume there are no government transfers. gdp=$1180.00 million =$510.00 million =$380.00 million =$280.00 million