In a standard normal curve with u=500 and q=100 , what interval centered at the mean contains 68% of the data set?(the u and q are stand ins for the real symbols) 400 to 600
300 to 700
200 to 800
450 to 550

At a constant it will take one hour to travel 32 mi.at that speed it will take 1/2 hr to travel the remaining 16 mi.it will take 1+1/2 hr to travel the 48mi @ 32mph.so 1 hr = 60 min& 1/2 hr = 30 min1+1/2 hr = 90 min.there are 60s in each 90 × 60 = 3600 seconds.the real question seriously is he why are they driving so slow? ! lol.