18658 55 A C H. A consumer looking to buy a used red Miata car will call dealerships until she finds a dealership that carries the car. She estimates the probability that any independent dealership will have the car will be 28%. We are interested in the number of dealerships she must call. a. In words, define the random variable X. b. List the values that X may take on. c. Give the distribution of X. X~ d. On average, how many dealerships would we expect her to have to call until she finds one thath 2. e. Find the probability that she must call at most four dealerships. 1 3 4 f. Find the probability that she must call three or four dealerships. 16 17 19