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A grocerybag can be classified as either paper or plastic. Suppose that 99% of grocerybags are classified as plastic. (a) Two grocerybags are chosen at
A grocerybag can be classified as either paper or plastic. Suppose that 99% of grocerybags are classified as plastic.
(a) Two grocerybags are chosen at random. What is the probability that both grocerybags are plastic?
(b) Seven grocerybags are chosen at random. What is the probability that all seven grocerybags are plastic?
(c) What is the probability that at least one of seven randomly selected grocerybags is paper?
(d) Would it be unusual that at least one of seven randomly selected grocerybags is paper?
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