3. Whose study results are likely to be more trustworthy? Why? (Assume Jerry and Katy used similar methods to choose students.) Write your answer in the space below.

In a small section of a stadium there are 40 spectators watching a game between the cook islands and fiji. they all support at least one of the two teams. 25 spectators support the cook islands and 16 of these support both teams. how many support only fiji?