New York Yankees- Multiple Choice

Question

The New York Yankees, a member of the Eastern Division of the American League in Major League Baseball (MLB), recently won three consecutive World Series. This table summarizes the ten MLB World Series winners from 1990 to 2000 by division and league. One of these ten World Series winners is to be chosen at random. (NOTE: There was no World Series in 1994 due to a players' strike.)

 

                                                      League

                                            National      American

                    

                             Eastern        2                6

                  Division Central       1                1

                            Western        0                0

 

Given that the winner is a member of the American League, what is the probability that the winner plays in the Eastern Division? round to 3 decimal places if needed

 

a.  0.500

b.  0.357

c.  0.857

d.  0.800

Answer 1

P(Eastern Div.)|won by AL) = 6/7, which is equal to c, to 3 dec. places.

 

That's "probability of team being from Eastern Division, given that it's an American League team)