the trade magazine qsr routinely checks the drive-through service times of fast-food restaurants. % confidence interval that results from examining customers in taco bell’s drive-through has a lower bound of seconds and an upper bound of seconds. complete parts (a) through (c). question content area bottom part 1 (a) what is the mean service time from the customers? the mean service time from the customers is enter your response here seconds

timefrom the customers arebetween161.5 to 164.7 seconds.checksthe drive-throughservicetimes of fast-food restaurants.examining607 customers in Taco Bell’s drive-through has alowerbound of 161.5 seconds and anupperbound of 164.7 seconds.denotethe mean service time by μ. Then, note that, we are given that n=607. Also, we are said that a 90% CI for μ isgivenbyimpliesthat we are 90% confident that μliesin the interval. Or to be precise, this interval is arealizationof a random interval that has 90% probability of covering thetruemean. Thus, we are 90% confident that the mean service times of the restaurants arebetween161.5 to 164.7 seconds.answeris The mean servicetimefrom the customers arebetween161.5 to 164.7 seconds.meanclick here https://brainly.com/question/1136789