The proportion of cars that spend between 2 and 3 minutes in the restaurant's drive through is 0 6589 (Round to four decimal places as needed ) (d) Would it be unusual for a car to spend more than 3 minutes in the restaurant's drive-through? Why? The probability that a car spends more than 3 minutes in the restaurant's drive through is , so it be unusual, since the probability is than 0:05. (Round to four decimal places as needed.) ample Get more help . Clear all Check answer a 79-F Partly sunnyound to four decimal places as needed.) What proportion of cars spend between 2 and 3 minutes in the restaurant's drive throu e proportion of cars that spend between 2 and 3 minutes in the restaurant's drive-throut would not ound to four decimal places as needed ) Would it be unusual for a car to spend more than 3 minutes in the restaurant's drive th would e probability that a car spends more than 3 minutes in the restaurant's drive through is 50 i be usual, since the probability is than 0.05. ound to four decimal places as needed. ) ple Get more help - Clear all Check answer 79"F Partly sunny(Round to four decimal places as needed ) (c) What proportion of cars spent ""minutes in the restaurant's drive through The proportion of cars that spend minutes in the restaurant's drive through (Round to four decimal places as less (d) Would it be unusual for a car 1 3 minutes in the restaurant's drive-thro greater The probability that a car spends es in the restaurant's drive through is unusual, since the probability is than 0.05 (Round to four decimal places as needed) View an example Get more help . Clear all aPart 4:of 4 points Points: 0:33 of 1 Save A study found that the mean amount of time cars spent in drive throughs of a certain fast food restaurant was 144,9 seconds. Assuming drive-through times are normally distributed with a standard deviation of 31 seconds, complete parts (a) through (d) below, (a) What is the probability that a randomly selected car will get through the restaurant's drive through in less than 91 seconds? The probability that a randomly selected car will get through the restaurant's drive-through in less than 91 seconds is 0.0409 (Round to four decimal places as needed ) (b) What is the probability that a randomly selected car will spend more than 199 seconds in the restaurant's drive through? The probability that a randomly selected car will spend more than 199 seconds in the restaurant's drive through is 0.0401 (Round to four decimal places as needed ) (c) What proportion of cars spend between 2 and 3 minutes in the restaurant's drive-through? The proportion of cars that spend between 2 and 3 minutes in the restaurant's drive-through is 0.6589 (Round to four decimal places as needed.) (d) Would it be unusual for a car to spend more than 3 minutes in the restaurant's drive-through? Why