30 POINTS!! WHOEVER ANSWERS FIRST GETS BRAINLIEST! Jim wanted to find out what the audience thought about the debate. After the event, Jim stood at the exit to survey every fifth guest.
Was this a random or a biased sample and why?
O A.
This was a biased sample. Jim should interview all in attendance.
OB.
This was a census. Any guest may have participated.
OC.
This was a random sample. It may not have included anyone in attendance.
O D.
This was a random sample. It may have included anyone in attendance.