. Which of these is an example of a non-random sample?
At a school assembly, five students are randomly chosen to receive free admission to a theme park.

Airline passengers to Orlando, Florida, are asked about vacation plans.

Registered voters in Arizona are surveyed to determine if they have relatives in Florida.

Out of all the seventh grade students in a public school district, fifteen are chosen to win a trip to a vacation destination.

Question

. Which of these is an example of a non-random sample?
At a school assembly, five students are randomly chosen to receive free admission to a theme park.

Airline passengers to Orlando, Florida, are asked about vacation plans.

Registered voters in Arizona are surveyed to determine if they have relatives in Florida. 

Out of all the seventh grade students in a public school district, fifteen are chosen to win a trip to a vacation destination.

anonymous · Answer

C, since all of the voters were surveyed to find if they have relatives.

anonymous · Answer

Medal?