Ten thousand marbles were produced on a production line. The first 100 marblesoff the line were taken and tested for roundness. Does this sampling result in a simple random sample?
No, because each item does not have an equal chance of being selected.
Yes, because each group of n items has an equal chance of being selected.
No, because each group of n items does not have an equal chance of being selected.
Yes, because each item has an equal chance of being selected.