Question 8 1 pts Jo, owner of Java Jo's coffee shop, recently purchased a new vending machine. This automated machine can serve a fresh cup of coffee to a customer in exactly 2 minutes. After purchasing the machine, Jo raised the price of coffee to $2.50 per cup, and noticed that customers arrived at the rate of about 14 per hour (Poisson distribution). How long should a customer expect to wait to get a cup of coffee? [Select] (rounded to 3 decimal places) What is the average number of customers waiting in the line? (Select] (rounded to 2 decimal places) Jo's supplier has offered to upgrade the vending machine's software, decreasing the time to make a cup of coffee from 2 minutes down to 1 minute and 30 seconds. This would also result in Jo raising prices (to offset the cost of the upgrade) to $3 per cup, which in turn would decrease the arrival rate to 12 customers per hour. In this scenario, how long would a customer expect to wait to get a cup of coffee? [Select) (rounded to 3 decimal places) What would be the average number of customers waiting in the line? Select) (rounded to 2 decimal places) Question 10 1 pts Zimmerman's Dive Shop rents SCUBA gear to tourists on the island of Bonaire. On a typical Friday, an average of 10 customers per hour arrive in the shop to rent air tanks. It takes an average of 4 minutes to complete the tank rental, described by the negative exponential distribution There is currently one staff member on hand to rent out the tanks. What is the average time a customer would wait in line? (Select] How many customers, on average, are in line? (Select] What is the average time a customer spends in the system? Select What is the average number of customers in the system Select] What is the probability that the staff member is not busy? (Select]