Seth wants to know how long the wait times are for rides at a theme park. Which of the following represent a random sample for this information?

Seth randomly chooses 1 ride and surveys every 5th person exiting the ride.
Seth randomly surveys 5 people exiting every other ride he walks by.
Seth goes to the theme park every day at 5 p.m. and randomly chooses 1 ride and surveys 6 people for 20 days.
Seth walks around the park and randomly surveys 5 adults every 5 minutes.
Seth randomly chooses 2 rides in each section and surveys every 6th person exiting each ride.

Question

Seth wants to know how long the wait times are for rides at a theme park. Which of the following represent a random sample for this information?

Seth randomly chooses 1 ride and surveys every 5th person exiting the ride.
   Seth randomly surveys 5 people exiting every other ride he walks by.
   Seth goes to the theme park every day at 5 p.m. and randomly chooses 1 ride and surveys 6 people for 20 days. 
   Seth walks around the park and randomly surveys 5 adults every 5 minutes.
   Seth randomly chooses 2 rides in each section and surveys every 6th person exiting each ride.

anonymous · Answer

think i got the answer to the problem