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The average annual rainfall for a group of cities is 10.46 inches, and the standard deviation is 1.2 inches. One of these cities has

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The average annual rainfall for a group of cities is 10.46 inches, and the standard deviation is 1.2 inches. One of these cities has an annual rainfall of 8.72 inches. What is the standardized version (z-score) of this value? O-1.45 O 1.45 1.20 O 0.54

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