D Question 12 12 pts ons The time to change the oil on a car is normally distributed with a mean of 12.4 minutes and a standard deviation of 2.2 minutes. a. If a randomly selected car is chosen, what is the probability that the oil change for that car took less than 15 minutes. ments b. If 12 randomly selected cars are chosen, what is the probability that their mean length of the oil changes took less than 15 minutes. 15 Edit View Insert Format Tools Table Drive onnect: 12pt Paragraph B I U A V Q V T ? V Q V E V BAV QVC Support 1 0words