1. Cathy Livingston, bartender at the Tucson Racquet Club, can serve drinks at the rate of one every 50 seconds with a standard deviation of 90 seconds. During hot evenings, the bar becomes particularly busy and exactly every 55 seconds someone is at the bar asking for a drink. If Cathy is replaced with an automatic drink dispensing machine, on average, how many people would you expect to be waiting for drinks? Assume that the machine dispenses drinks at the same speed as Cathy but with negligible variability