The common fruit flyDrosophila melanogasteris the most studied organism in genetic research because it is small, is easy to grow, and reproduces rapidly. The length of the thorax (where the wings and legs attach) in a population of male fruit flies is approximately Normal with mean0.800

0.800millimeters(mm) and standard deviation0.078

0.078mm.

Use software orTable A.

(a) What proportion of flies have thorax length less than0.66

0.66mm? (Enter your answer as a percentage rounded to two decimal places.)

proportion:

%

(b) What proportion of flies have thorax length greater than0.93

0.93mm? (Enter your answer as a percentage rounded to two decimal places.)

proportion:

%

(c) What proportion of flies have a thorax of length between0.66

0.66mm and0.93

0.93mm? (Enter your answer as a percentage rounded to two decimal places.)

proportion: