Question 1159287
z=(x-mean)/sd
z> (53-45)/7 or >1.143 with probability 0.1265

fewer than 37 miles is z < (37-45) or <-1.143 or probability 0.1265 (the function is symmetrical)

between 37 and 48 is z between -1.143 and + 0.429 probability is 0.5393