Suppose, to select a sample from a population of 3000 persons, the following procedure is followed. The names of the people are written on identical, square pieces of thin cardboard measuring one inch on a side, and these pieces of cardboard are then tumbled in a clothes dryer (with the heat shut off). After 30 minutes, a blindfolded person reaches in and withdraws a selected number of names
What can be said about this sample?
A) The sample is probably biased because clothes dryers are not supposed to be used in collecting samples.
B) The sample is probably biased because people with shorter names would be selected first.
C) The sample is probably biased because the names on the top of the heap would be selected first.
D) The sample is probably biased because the names toward the front of the dryer would probably be selected first.
E) The sample is almost certainly random.
E
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