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Find the z-score corresponding to 25 pounds of garbage

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Reference no: EM132850709

Each month an American household generates an average of 28 pounds of newspaper for garbage with a standard deviation of 2 pounds. Each month, an American household generates an average of 20 pounds of newspaper for recycling with a standard deviation of 3 pounds.

a) Find the z-score corresponding to 25 pounds of garbage.

b) Find the z-score corresponding to 31 pounds of recycling.

c) Which is more unusual?

Reference no: EM132850709

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