Many species of amphibians are declining due to dramatic changes in the environment. The environmental vulnerability of

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Many species of amphibians are declining due to dramatic changes in the environment. The environmental vulnerability of amphibian species native to Mexico was examined in Amphibian & Reptile Conservation (Aug. 2013). The researchers quantified this decline using a modified Environmental Vulnerability Score (EVS) algorithm. Scores ranged from 3 to 20 points, with higher scores indicating a greater level of environmental vulnerability. EVS scores for 382 snake species were determined and are summarized in the table below. Let x represent the EVS score for a randomly selected snake species in Mexico.
a. Specify the probability distribution for EVS score x.
b. EVS scores greater than 14 are indicative of species that are endangered due to high environmental vulnerability. Find P(x > 14).
Distribution
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Statistics

ISBN: 9780134080215

13th Edition

Authors: James T. McClave

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