A large lake is home to three different types of herons: blue herons, grey herons, and paisley
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A large lake is home to three different types of herons:
blue herons, grey herons, and paisley herons.
There are 14 blue herons, 10 grey herons, and 9 paisley herons. A local researcher wishes to track 13 herons, and at least two of the 13 herons selected must be blue. How many different samples are possible?
Related Book For
Income Tax Fundamentals 2013
ISBN: 9781285586618
31st Edition
Authors: Gerald E. Whittenburg, Martha Altus Buller, Steven L Gill
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