Past experience has shown that 60% of all captains are promoted to major. The 819th Infantry Division
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Past experience has shown that 60% of all captains are promoted to major. The 819th Infantry Division has 48 captains who are eligible for promotion. Nine of these captains are West Point graduates. Eight of the nine West Pointers are promoted. Is there any reason to suspect that West Point graduates are given preferential treatment? Why? Show your work.
Related Book For
Introduction to Mathematical Statistics and Its Applications
ISBN: 978-0321693945
5th edition
Authors: Richard J. Larsen, Morris L. Marx
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