4. [5 points] Fastfood restaurants spend quite a bit of time studying the amount of time cars spend in their driye-thru. Certainly, the faster the cars get through the driye-thru, the more the opportunity for making money. (15R Magazine studied driye-thru times for fastfood restaurants, and found Wendy's had the best time. with a mean time a car spent in the driyethru equal to 133.5 seconds. Assume that driyethru times are normally distributed. with a standard deviation of 2'3 seconds. Suppose that Wendy's wants to institute a policy at its restaurants that it will not charge any patron that must wait more than a certain amount of time for an order. Management does not want to giye away free meals to more than 1% of the patrons. What time would you recommend Wendy's adyertise as the maximum wait time before a free meal is awarded? Show calculations. Sketch a graph representing the normal distribution and shade the area representing the aforementioned 1sa.|