In 2009 the American League’s New York Yankees won the World Series. The Yankees have played in a total of 40 World Series. Of those 40 appearances the Yankees have won 27 championships. Based solely on this data, what is the probability that the New York Yankees will represent the American League in the 2010 World Series and win the championship? Express your answer as a common fraction.

To determine the probability of the New York Yankees representing the American League in the 2010 World Series and winning the championship, we need to consider the historical data and calculate the ratio of their successful outcomes to the total number of possible outcomes.

According to the information given, the New York Yankees have played in a total of 40 World Series and have won 27 championships. However, we don't have any specific data regarding their likelihood of making it to the World Series in a given year.

Without this additional information, we cannot calculate the exact probability for the Yankees to represent the American League in the 2010 World Series and win the championship. We can only conclude that historically, the Yankees have been successful in reaching and winning the World Series.

Therefore, based solely on the data provided, it is not possible to determine the probability of the Yankees winning the championship in 2010.