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A biologist found the wingspans of a group of monary butterflies to be normally distributed with a mean of51.2mmand a standard deviation of2.8mm.What percent of

A biologist found the wingspans of a group of monary butterflies to be normally distributed with a mean of51.2mmand a standard deviation of2.8mm.What percent of the butterflies had the following wingspans? (Round your answers to one decimal place.)

(a) less than48.5mm

(b) between49and56mm

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