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.

Question

A biologist found the wingspans of a group of monary butterflies to be normally distributed with a mean of 54.7 mm and a standard deviation of 2.4 mm. What percent of the butterflies had the following wingspans? (Round your answers to one decimal place.)
(a) less than 48.8 mm
%

(b) between 49 and 56 mm