Consider two events related to customer satisfaction at a restaurant: Let F denote the event that a customer rates the quality of food as excellent. The probability of event F is 0.75. Let S denote the event that a customer rates the service as excellent. The probability of event S is 0.64. The probability that a customer rates both the food and service as excellent is 0.58. ---------------------------------------------------------------------------------------- a) The probability that a customer rates either the food or service as excellent is