8. A machine producing a large spool of cable puts out 2.5 feet at a time. After each 2.5 feet of cable, there's a 1/1000 chance that the machine will cut the cable instead of continuing production. What is the expected length of the next
cable the machine produces?
a) 0.0025 ft. b) 400 ft. c) 2,500 ft. d) 6,250 ft. e)2,500,000 ft.