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A grocery bag can be classified as either paper or plastic. 82% of grocery bags are...

A grocery bag can be classified as either paper or plastic. 82% of grocery bags are classified as plastic. (a) Two grocery bags are chosen at random. What is the probability that both grocery bags are plastic? (b) Four grocery bags are chosen at random. What is the probability that all four grocery bags are plastic? (c) What is the probability that at least one of four randomly selected grocery bags is paper? Would it be unusual that at least one of four randomly selected grocery bags is paper?

Math   Statistics-And-Probability   
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