Statisticians at top national news networks are working behind the scenes in order to declare a winner in individual rac

[answerhappygod]

Statisticians at top national news networks are working behind
the scenes in order to declare a winner in individual races during
the next election.
1. Which type of tests would be using to determine if
candidate A has a higher proportion of votes than candidate B?
2. List three possible reasons (and briefly discuss) why a
news agency might choose not to call a race officially on air for
one candidate even if they have data from samples of exit polls to
support that there is statistically significant evidence that one
candidate has more votes than another candidate?