Acompany is having trouble with customer service. on average, half of incoming requests receive good customer service (event g), and half receive bad service (event b). when service is good, customers are satisfied with their experience (event s) 3/4 of the time, and dissatisfied (event d) 1/4 of the time. when service is bad, customers are satisfied 1/3 of the time and dissatisfied (2/3) of the time. what is the expression for the probability that a customer who received good service is satisfied?