. . "For instance, the number of games in a series if the games are a toss up (one team wins 50% of the time) is shown in the chart below.The exact result for how many games will occur in a World Series if each team wins 50% of the time is 4 games 1/8 of the time, 5 games 1/4 of the time and 6 and 7 games 5/16 of the time for both." . . .