How much money would a stock exchange make from buying and selling 500 shares of the stock under the conditions shown above?

Customers are serviced at a rate of six customers per hour according to an exponential distribution. What is the probability that customer service will require fewer than 20 minutes?

A) less than or equal to 0.70 B) greater than 0.70 but less than or equal to 0.80 C) greater than 0.80 but less than or equal to 0.90 D) greater than 0.90

Lizzie is enrolled in an online higher education program. She may take some classes online and some in a traditional university setting. In which type of program is Lizzie most likely enrolled?

A) virtual instruction program B) online synchronized study C) asynchronous learning D) hybrid program