(5 of 7) Mary has her own business, a nail salon that she runs out of her home. She is the only nail technician but serves many clients in one day. The following tables provide information about time between arrivals and service time required for a manicure. Assume the only service offered is a manicure. Time Between Arrivals 10 minutes 20 minutes Service Time 30 minutes 10 minutes Customer Arrivals 40 minutes 20 minutes Service 30 minutes 40 minutes 1 12 12 2 19 45 Probability .3 3 43 .4 65 ~ .2 .1 Probability .2 Random Numbers 4 23 .3 78 .2 .3 5 6 22 6 At what time does the first customer arrive? Assume the shop opens at 8:00AM. 8:00 am 8:10 am 8:20 am 8:30 am 87 43 Random Numbers 7 92 00-19 20-49 Random Numbers 50-69 69-99 58 00-29 30-69 70-89 90-99 8 45 98 9 56 1 The first random number generated for arrivals is used to tell us when the first customer arrives after the shop opens. The second random number generated for service is used to tell us how long the service took.

Mary has her own business, a nail salon that she runs out of her home. She is the only nail technician but serves many clients in one day. The following tables provide information about time between arrivals and service time required for a manicure. Assume the only service offered is a manicure. The first random number generated for arrivals is used to tell us when the first customer arrives after the shop opens. The second random number generated for service is used to tell us how long the service took. At what time does the first customer arrive? Assume the shop opens at 8:00AM. 8:00am8:10am8:20am8:30am