A total of 30 bears-consisting of 10 red bears, 10yellow bears, and 10 blue bears-are randomly arranged
Question:
How many bears does the child expect to grab before the first red bear appears? (Please do not include the red bear itself; only include the bears that appear strictly before the first red bear appears.)
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Related Book For
Introduction to Probability
ISBN: 978-0716771098
1st edition
Authors: Mark Daniel Ward, Ellen Gundlach
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