content area top Part 1 A study found that the mean amount of time cars spent in drive-throughs of a certain fast-food restaurant was 138.6 seconds. Assuming drive-through times are normally distributed with a standard deviation of 27 seconds, complete parts (a) through (d) below. Question content area bottom Part 1 (a) What is the probability that a randomly selected car will get through the restaurant's drive-through in less than 97 seconds? The probability that a randomly selected car will get through the restaurant's drive-through in less than 97 seconds is enter your response here. (Round to four decimal places as needed.)