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a packager wraps one item every fifteen minutes, so 32 items are completed in her first day at work.
a packager wraps one item every fifteen minutes, so 32 items are completed in her first day at work. Her manager checks her work by randomly selecting an hour of the day, then reviewing all the items she completed that hour. Does this sampling plan result in a random sample? Simple Random Sample?
A. no, because each item does not have an equal chance of being selected.
B.Yes, because all possible groups of N items have an equal chance of being selected.
C. Yes, because each item has an equal chance of being selected.
D. No, because all possible groups of n items do not have an equal chance of being selected.
