A weather forecaster predicts that the May rainfall in a local area will be between 1 and 7 inches but has no idea where within the interval the amount will be. Let x be the amount of May rainfall in the local area and assume that x is uniformly distributed over the interval 1 to 7 inches. Calculate the standard deviation of May rainfall. O 1.732 O 1.654. O 1.975 O 1.654

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