1. A ROTARY TABLE SERVES AS A BANK FOR A TWO PERSON WORK- STATION. ITEMS ARRIVE AT THE STATION FROM TWO PRODUCTION LINES FOLLOWING A POISSON DISTRIBUTION WITH A MEAN OF FOUR UNITS PER MINUTE FROM THE FIRST LINE AND THE SECOND LINE AT A RATE OF ONE UNIT EVERY 12 SECONDS. THE AVERAGE SERVICE TIME FOR EACH WORKER IS 12 SECONDS PER UNIT. CALCULATE THE SIZE OF THE ROTARY TABLE SUCH THAT THE PROBABILITY OF NOT BEING ABLE TO ACCOMMODATE A UNIT ON THE TABLE IS LESS THAN 10 PERCENT