There are 11064 Cars in Luxembourg

I was in Luxembourg recently and saw 4 cars when I was there. Their registration plates were 1396, 1871, 2383 and 8852 This made me wonder if I could estimate the total number of cars in Luxembourg. This is the German Tank problem where the British in WW2 found some serial numbers on German tanks in north Africa and wanted to use those to guess how many tanks had been produced. If you are sure the…