James the postman is accused by his manager of being too slow in completing his mail deliveries. James feels he is completing his designated routes within a reasonable amount of time and calls for an On which of the routes would investigation. He makes a point of recording the time James be considered unusually it takes him to complete each of his four routes and it slow compared to the other turns out they each take 110 minutes. posties who deliver on the same On which of the following routes would James be routes? considered unusually slow compared to the other posties who deliver on the same routes? Justify your answer, quoting the Route 1 where the mean time is u = 60 minutes and relevant statistics as part of he standard deviation o = 20 minutes. your explanation. Assume the Route 2 where the mean time is u = 120 minutes and route times are normally he standard deviation o = 10 minutes. distributed. Route 3 where the mean time is u = 100 minutes and he standard deviation o = 10 minutes. Route 4 where the mean time is u = 140 minutes and he standard deviation o = 15 minutes. ew range of