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Fruit flies. The length of the thorax in a population of male fruit flies is approximately Normal with mean 0.800 millimeters (mm) and standard deviation 0.078 mm. Use the 68-95-99.7 rule to answer the following questions. (Start by making a sketch like Figure 3.10.)

(a) What range of lengths covers almost all (99.7%) of this distribution?

(b) What percent of male fruit flies have a thorax length exceeding 0.878 mm?

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M91884707

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