In the 2017 Seattle mayoral election, Ed Murray received 53.0% of the votes, Mike McGinn received 46.5% of the votes, and write-in candidates received the rest of the votes. Suppose we examine votes...

In the 2017 Seattle mayoral election, Ed Murray received 53.0% of the votes, Mike McGinn received 46.5% of the votes, and write-in candidates received the rest of the votes. Suppose we examine votes from randomly chosen people who voted in this election.

What is the probability that the first vote we examine is for Mike McGinn or for a write-in candidate?

Suppose we examine four randomly chosen votes. What is the probability that all four of the votes are for Ed Murray?

Suppose we examine four randomly chosen votes. What is the probability that none of the votes we examine is for Ed Murray?

Suppose we examine four randomly chosen votes. What is the probability that at least one of the votes we examine is for Ed Murray?