Help please! Giving medal

Which of these is an example of a non-random sample?

A. Twenty customers at a theme park are chosen to receive one free admission on the next visit.

B. At a free concert on the beach, five people are chosen to receive free music downloads.

C. Sunbathers at a free suntan lotion booth on a popular beach were asked about their favorite suntan lotion.

D. People on a beach boardwalk are surveyed to determine if they have a full-time job.

Question

Help please! Giving medal

Which of these is an example of a non-random sample?

A. Twenty customers at a theme park are chosen to receive one free admission on the next visit.

B. At a free concert on the beach, five people are chosen to receive free music downloads.

C. Sunbathers at a free suntan lotion booth on a popular beach were asked about their favorite suntan lotion.

D. People on a beach boardwalk are surveyed to determine if they have a full-time job.

anonymous · Answer

They all seem non-random to me, but my guess would be D

anonymous · Answer

ok thx

anonymous · Answer

it was actually C... but thx anyway

anonymous · Answer

Sry :P