The Australian Energy Department states that 71% of all households have ceiling fans. In addition, 70% of all Australian households have an outdoor grill. Suppose 45% ofall households have both a ceiling fan and an outdoor grill. An Australian household is randomly selected. (a) What is the probability that the household has a ceiling fan or an outdoor grill? 96l100 (b) What is the probability that the household has neither a ceiling fan nor an outdoor grill? 4/1 00 (c) What is the probability that the household has a ceiling fan or an outdoor grill but not both? 0.41 6