Question

The common fruit fly, Drosophila melanogaster, is the most studied organism in genetic research because it is small, 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 mean 0.800 millimeters (mm) and standard deviation 0.078 mm. Approximately 16% of male fruit flies have thorax length shorter than

a. 0.878 mm.

b. 0.633 mm.

c. 0.722 mm.

d. 0.644 mm.

Answer 1

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