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(1 point) 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 fies is approximately Normal with mean 0.800 millimeters (mm) and standard deviation 0.078 mm. Note: Use Table A to find the proportion below. (a) What proportion of flies have thorax length 0.775 mm or longer? (b) What proportion have thorax length between 0.775 mm and 0.9 mm?(1 point) Find the value z of a standard Normal variable that satisfies each of the following conditions. (a) The point z with 80% of the observations falling below it (b) The point z with 60% of the observations falling above it

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