(08.05 MC) A mechanic gives a survey to all of his customers…

(08.05 MC) A mechаnic gives а survey tо аll оf his custоmers asking them to rate the quality of the service they received. He then keeps track of how many customers return to the shop for additional services during the next six months. Last year, the results showed that of the customers who reported high quality service, 20% returned for additional services. What conclusion can be drawn from this study?