A shave, shoeshine, facial, and haircut are performed by a single operator who rents booth space at a local barbershop with no magazines. While an industrial engineer waits their turn, they surreptitiousl record the time for each service for the four customers ahead of them. The engineer also rates the performance of the operator and has recorded all this information in the following table. All times are in minutes. Rating 1.0 15 Service Shave 2 2.8 2.5 4.4 18.6 O a. 25.1 minutes O b. 32.2 minutes O c. 39.6 minutes O d. 9.3 minutes 3 9.1 1.6 19.0 27.0 1 2.3 Shoeshine 0.3 0.7 Facial 8.3 0.5 Haircut 14.0 What is the normal time for the entire barbershop experience? 4 5.2 4.5 19.7 4.1

A shave, shoeshine, facial, and haircut are performed by a single operator who rents booth space at a local barbershop with no magazines. While an industrial engineer waits their turn, they surreptitious) record the time for each service for the four customers ahead of them. The engineer also rates the performance of the operator and has recorded all this information in the following table. All times are in minutes. What is the normal time for the entire barbershop experience? a. 25.1 minutes b. 32.2 minutes c. 39.6 minutes d. 9.3 minutes