Use the table to answer the question. Note: Round z-scores to the nearest hundredth and then find the required A values using the table. A biologist found the wingspans of a group of monary butterflies to be normally distributed with a mean of 52.6 mm and a standard deviation of 2.3 mm. What percent of the butterflies had the following wingspans? (Round your answers to one decimal place.) (a) less than 48.2 mm % (b) between 50 and 54 mm % Need Help? Read It