A graph titled Total U S Government Spending as Percentage of G D P from 1990-2012 has year on the x-axis and percentage of G D P on the y-axis, from 15 to 30 percent in increments of 5. The percentage of G D P is lowest at 18 percent in 2001 and highest at 25 percent in 2009. The graph shows government spending as a percentage of GDP from 1990 to 2012. At its peak, government spending made up about half of GDP. 100 percent of GDP. one quarter of GDP. one tenth of GDP.

Customers arrive at rich dunn's styling shop at a rate of 3 per hour, distributed in a poisson fashion. rich can perform an average of 5 haircuts per hour, according to a negative exponential distribution.a) the average number of customers waiting for haircuts= customersb) the average number of customers in the shop= customersc) the average time a customer waits until it is his or her turn= minutesd) the average time a customer spends in the shop= minutese) the percentage of time that rich is busy= percent