Mathematics, 22.11.2019 19:31, dude5522

Which of these is an example of a non-random sample?
a.
sunbathers at a free suntan lotion booth on a popular beach were asked about their favorite suntan lotion.

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

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

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

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