Are the teams that play in the World Series evenly matched? To win a World Series, a

Question:

Are the teams that play in the World Series evenly matched? To win a World Series, a team must win four games. If the teams are evenly matched, we would expect the number of games played in the World Series to follow the distribution shown in the first two columns of the following table. The third column represents the actual number of games played in each World Series from 1930 to 2014. Do the data support the distribution that would exist if the teams are evenly matched and the outcome of each game is independent? Use the a = 0.05 level of significance.

Observed Frequency Number of Games Probability 16 0.125 17 0.25 19 0.3125 0.3125 32

Distribution
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