Disclosed are a method and a program for determining a sequence of extractions by using a computer. The method includes an operation of receiving a first selection ratio for a plurality of selection targets by the computer (a first selection ratio receiving operation), an operation of determining speeds of first extraction counters for the selection targets (a first extraction counter speed determining operation), and an operation of repeating a process of extracting a specific selection target from the plurality of selection targets by driving the first extraction counters for the selection targets.
