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Robins are common birds in North America. Suppose that the wingspan of robins is approximately normal with mean 14 inches and standard deviation 0.7 inches.
-What proportion of robins have wingspans less than 13 inches? Report your answer with three decimal places.

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Robins are common birds in North America. Suppose that the wingspan of robins is approximately normal with mean 14 inches and standard deviation 0.7 inches.
-What proportion of robins have wingspans less than 13 inches? Report your answer with three decimal places.

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Robins are common birds in North America. Suppose that the wingspan of robins is approximately normal with mean 14 inches and standard deviation 0.7 inches.
-What proportion of robins have wingspans less than 13 inches? Report your answer with three decimal places.

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